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COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records
The Lancet Digital Health, Volume: 4, Issue: 7, Pages: e542 - e557
Swansea University Authors:
Fatemeh Torabi , Ashley Akbari
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© 2022 The Author(s). This is an Open Access article under the CC BY 4.0 license
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DOI (Published version): 10.1016/s2589-7500(22)00091-7
Abstract
BackgroundUpdatable estimates of COVID-19 onset, progression, and trajectories underpin pandemic mitigation efforts. To identify and characterise disease trajectories, we aimed to define and validate ten COVID-19 phenotypes from nationwide linked electronic health records (EHR) using an extensible f...
| Published in: | The Lancet Digital Health |
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| ISSN: | 2589-7500 |
| Published: |
Elsevier BV
2022
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa58863 |
| first_indexed |
2021-12-31T14:15:04Z |
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| last_indexed |
2023-01-11T14:39:45Z |
| id |
cronfa58863 |
| recordtype |
SURis |
| fullrecord |
<?xml version="1.0"?><rfc1807><datestamp>2022-07-25T16:28:52.0746744</datestamp><bib-version>v2</bib-version><id>58863</id><entry>2021-12-01</entry><title>COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records</title><swanseaauthors><author><sid>f569591e1bfb0e405b8091f99fec45d3</sid><ORCID>0000-0002-5853-4625</ORCID><firstname>Fatemeh</firstname><surname>Torabi</surname><name>Fatemeh Torabi</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>aa1b025ec0243f708bb5eb0a93d6fb52</sid><ORCID>0000-0003-0814-0801</ORCID><firstname>Ashley</firstname><surname>Akbari</surname><name>Ashley Akbari</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2021-12-01</date><deptcode>MEDS</deptcode><abstract>BackgroundUpdatable estimates of COVID-19 onset, progression, and trajectories underpin pandemic mitigation efforts. To identify and characterise disease trajectories, we aimed to define and validate ten COVID-19 phenotypes from nationwide linked electronic health records (EHR) using an extensible framework.MethodsIn this cohort study, we used eight linked National Health Service (NHS) datasets for people in England alive on Jan 23, 2020. Data on COVID-19 testing, vaccination, primary and secondary care records, and death registrations were collected until Nov 30, 2021. We defined ten COVID-19 phenotypes reflecting clinically relevant stages of disease severity and encompassing five categories: positive SARS-CoV-2 test, primary care diagnosis, hospital admission, ventilation modality (four phenotypes), and death (three phenotypes). We constructed patient trajectories illustrating transition frequency and duration between phenotypes. Analyses were stratified by pandemic waves and vaccination status.FindingsAmong 57 032 174 individuals included in the cohort, 13 990 423 COVID-19 events were identified in 7 244 925 individuals, equating to an infection rate of 12·7% during the study period. Of 7 244 925 individuals, 460 737 (6·4%) were admitted to hospital and 158 020 (2·2%) died. Of 460 737 individuals who were admitted to hospital, 48 847 (10·6%) were admitted to the intensive care unit (ICU), 69 090 (15·0%) received non-invasive ventilation, and 25 928 (5·6%) received invasive ventilation. Among 384 135 patients who were admitted to hospital but did not require ventilation, mortality was higher in wave 1 (23 485 [30·4%] of 77 202 patients) than wave 2 (44 220 [23·1%] of 191 528 patients), but remained unchanged for patients admitted to the ICU. Mortality was highest among patients who received ventilatory support outside of the ICU in wave 1 (2569 [50·7%] of 5063 patients). 15 486 (9·8%) of 158 020 COVID-19-related deaths occurred within 28 days of the first COVID-19 event without a COVID-19 diagnoses on the death certificate. 10 884 (6·9%) of 158 020 deaths were identified exclusively from mortality data with no previous COVID-19 phenotype recorded. We observed longer patient trajectories in wave 2 than wave 1.InterpretationOur analyses illustrate the wide spectrum of disease trajectories as shown by differences in incidence, survival, and clinical pathways. We have provided a modular analytical framework that can be used to monitor the impact of the pandemic and generate evidence of clinical and policy relevance using multiple EHR sources.</abstract><type>Journal Article</type><journal>The Lancet Digital Health</journal><volume>4</volume><journalNumber>7</journalNumber><paginationStart>e542</paginationStart><paginationEnd>e557</paginationEnd><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>2589-7500</issnPrint><issnElectronic/><keywords/><publishedDay>1</publishedDay><publishedMonth>7</publishedMonth><publishedYear>2022</publishedYear><publishedDate>2022-07-01</publishedDate><doi>10.1016/s2589-7500(22)00091-7</doi><url/><notes/><college>COLLEGE NANME</college><department>Medical School</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>MEDS</DepartmentCode><institution>Swansea University</institution><apcterm/><funders>British Heart Foundation Data Science Centre, led by Health Data Research UK.</funders><projectreference/><lastEdited>2022-07-25T16:28:52.0746744</lastEdited><Created>2021-12-01T15:56:12.1908707</Created><path><level id="1">Faculty of Medicine, Health and Life Sciences</level><level id="2">Swansea University Medical School - Medicine</level></path><authors><author><firstname>Fatemeh</firstname><surname>Torabi</surname><orcid>0000-0002-5853-4625</orcid><order>1</order></author><author><firstname>Johan H</firstname><surname>Thygesen</surname><orcid>0000-0002-7479-3459</orcid><order>2</order></author><author><firstname>Christopher</firstname><surname>Tomlinson</surname><orcid>0000-0002-0903-5395</orcid><order>3</order></author><author><firstname>Sam</firstname><surname>Hollings</surname><order>4</order></author><author><firstname>Mehrdad</firstname><surname>Mizani</surname><orcid>0000-0002-2441-895x</orcid><order>5</order></author><author><firstname>Alex</firstname><surname>Handy</surname><orcid>0000-0002-3739-1530</orcid><order>6</order></author><author><firstname>Ashley</firstname><surname>Akbari</surname><orcid>0000-0003-0814-0801</orcid><order>7</order></author><author><firstname>Amitava</firstname><surname>Banerjee</surname><orcid>0000-0001-8741-3411</orcid><order>8</order></author><author><firstname>Jennifer</firstname><surname>Cooper</surname><orcid>0000-0001-9364-7353</orcid><order>9</order></author><author><firstname>Alvina</firstname><surname>Lai</surname><orcid>0000-0001-8960-8095</orcid><order>10</order></author><author><firstname>Ken</firstname><surname>Li</surname><order>11</order></author><author><firstname>Bilal</firstname><surname>Mateen</surname><orcid>0000-0003-4423-6472</orcid><order>12</order></author><author><firstname>Naveed</firstname><surname>Sattar</surname><orcid>0000-0002-1604-2593</orcid><order>13</order></author><author><firstname>Reecha</firstname><surname>Sofat</surname><orcid>0000-0002-0242-6115</orcid><order>14</order></author><author><firstname>Ana</firstname><surname>Torralbo</surname><orcid>0000-0003-2738-8503</orcid><order>15</order></author><author><firstname>Honghan</firstname><surname>Wu</surname><orcid>0000-0002-0213-5668</orcid><order>16</order></author><author><firstname>Angela</firstname><surname>Wood</surname><orcid>0000-0002-7937-304x</orcid><order>17</order></author><author><firstname>Jonathan A C</firstname><surname>Sterne</surname><orcid>0000-0001-8496-6053</orcid><order>18</order></author><author><firstname>Christina</firstname><surname>Pagel</surname><orcid>0000-0002-2857-1628</orcid><order>19</order></author><author><firstname>William</firstname><surname>Whiteley</surname><orcid>0000-0002-4816-8991</orcid><order>20</order></author><author><firstname>Cathie</firstname><surname>Sudlow</surname><orcid>0000-0002-7725-7520</orcid><order>21</order></author><author><firstname>Harry</firstname><surname>Hemingway</surname><orcid>0000-0003-2279-0624</orcid><order>22</order></author><author><firstname>Spiros</firstname><surname>Denaxas</surname><orcid>0000-0001-9612-7791</orcid><order>23</order></author><author><firstname>Hoda</firstname><surname>Abbasizanjani</surname><order>24</order></author><author><firstname>Nida</firstname><surname>Ahmed</surname><order>25</order></author><author><firstname>Badar</firstname><surname>Ahmed</surname><order>26</order></author><author><firstname>Ashley</firstname><surname>Akbari</surname><order>27</order></author><author><firstname>Abdul 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2022-07-25T16:28:52.0746744 v2 58863 2021-12-01 COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records f569591e1bfb0e405b8091f99fec45d3 0000-0002-5853-4625 Fatemeh Torabi Fatemeh Torabi true false aa1b025ec0243f708bb5eb0a93d6fb52 0000-0003-0814-0801 Ashley Akbari Ashley Akbari true false 2021-12-01 MEDS BackgroundUpdatable estimates of COVID-19 onset, progression, and trajectories underpin pandemic mitigation efforts. To identify and characterise disease trajectories, we aimed to define and validate ten COVID-19 phenotypes from nationwide linked electronic health records (EHR) using an extensible framework.MethodsIn this cohort study, we used eight linked National Health Service (NHS) datasets for people in England alive on Jan 23, 2020. Data on COVID-19 testing, vaccination, primary and secondary care records, and death registrations were collected until Nov 30, 2021. We defined ten COVID-19 phenotypes reflecting clinically relevant stages of disease severity and encompassing five categories: positive SARS-CoV-2 test, primary care diagnosis, hospital admission, ventilation modality (four phenotypes), and death (three phenotypes). We constructed patient trajectories illustrating transition frequency and duration between phenotypes. Analyses were stratified by pandemic waves and vaccination status.FindingsAmong 57 032 174 individuals included in the cohort, 13 990 423 COVID-19 events were identified in 7 244 925 individuals, equating to an infection rate of 12·7% during the study period. Of 7 244 925 individuals, 460 737 (6·4%) were admitted to hospital and 158 020 (2·2%) died. Of 460 737 individuals who were admitted to hospital, 48 847 (10·6%) were admitted to the intensive care unit (ICU), 69 090 (15·0%) received non-invasive ventilation, and 25 928 (5·6%) received invasive ventilation. Among 384 135 patients who were admitted to hospital but did not require ventilation, mortality was higher in wave 1 (23 485 [30·4%] of 77 202 patients) than wave 2 (44 220 [23·1%] of 191 528 patients), but remained unchanged for patients admitted to the ICU. Mortality was highest among patients who received ventilatory support outside of the ICU in wave 1 (2569 [50·7%] of 5063 patients). 15 486 (9·8%) of 158 020 COVID-19-related deaths occurred within 28 days of the first COVID-19 event without a COVID-19 diagnoses on the death certificate. 10 884 (6·9%) of 158 020 deaths were identified exclusively from mortality data with no previous COVID-19 phenotype recorded. We observed longer patient trajectories in wave 2 than wave 1.InterpretationOur analyses illustrate the wide spectrum of disease trajectories as shown by differences in incidence, survival, and clinical pathways. We have provided a modular analytical framework that can be used to monitor the impact of the pandemic and generate evidence of clinical and policy relevance using multiple EHR sources. Journal Article The Lancet Digital Health 4 7 e542 e557 Elsevier BV 2589-7500 1 7 2022 2022-07-01 10.1016/s2589-7500(22)00091-7 COLLEGE NANME Medical School COLLEGE CODE MEDS Swansea University British Heart Foundation Data Science Centre, led by Health Data Research UK. 2022-07-25T16:28:52.0746744 2021-12-01T15:56:12.1908707 Faculty of Medicine, Health and Life Sciences Swansea University Medical School - Medicine Fatemeh Torabi 0000-0002-5853-4625 1 Johan H Thygesen 0000-0002-7479-3459 2 Christopher Tomlinson 0000-0002-0903-5395 3 Sam Hollings 4 Mehrdad Mizani 0000-0002-2441-895x 5 Alex Handy 0000-0002-3739-1530 6 Ashley Akbari 0000-0003-0814-0801 7 Amitava Banerjee 0000-0001-8741-3411 8 Jennifer Cooper 0000-0001-9364-7353 9 Alvina Lai 0000-0001-8960-8095 10 Ken Li 11 Bilal Mateen 0000-0003-4423-6472 12 Naveed Sattar 0000-0002-1604-2593 13 Reecha Sofat 0000-0002-0242-6115 14 Ana Torralbo 0000-0003-2738-8503 15 Honghan Wu 0000-0002-0213-5668 16 Angela Wood 0000-0002-7937-304x 17 Jonathan A C Sterne 0000-0001-8496-6053 18 Christina Pagel 0000-0002-2857-1628 19 William Whiteley 0000-0002-4816-8991 20 Cathie Sudlow 0000-0002-7725-7520 21 Harry Hemingway 0000-0003-2279-0624 22 Spiros Denaxas 0000-0001-9612-7791 23 Hoda Abbasizanjani 24 Nida Ahmed 25 Badar Ahmed 26 Ashley Akbari 27 Abdul Qadr Akinoso-Imran 28 Elias Allara 29 Freya Allery 30 Emanuele Di Angelantonio 31 Mark Ashworth 32 Vandana Ayyar-Gupta 33 Sonya Babu-Narayan 34 Seb Bacon 35 Steve Ball 36 Ami Banerjee 37 Mark Barber 38 Jessica Barrett 39 Marion Bennie 40 Colin Berry 41 Jennifer Beveridge 42 Ewan Birney 43 Lana Bojanić 44 Thomas Bolton 45 Anna Bone 46 Jon Boyle 47 Tasanee Braithwaite 48 Ben Bray 49 Norman Briffa 50 David Brind 51 Katherine Brown 52 Maya Buch 53 Dexter Canoy 54 Massimo Caputo 55 Raymond Carragher 56 Alan Carson 57 Genevieve Cezard 58 Jen-Yu Amy Chang 59 Kate Cheema 60 Richard Chin 61 Yogini Chudasama 62 Jennifer Cooper 63 Emma Copland 64 Rebecca Crallan 65 Rachel Cripps 66 David Cromwell 67 Vasa Curcin 68 Gwenetta Curry 69 Caroline Dale 70 John Danesh 71 Jayati Das-Munshi 72 Ashkan Dashtban 73 Alun Davies 74 Joanna Davies 75 Gareth Davies 76 Neil Davies 77 Joshua Day 78 Antonella Delmestri 79 Spiros Denaxas 80 Rachel Denholm 81 John Dennis 82 Alastair Denniston 83 Salil Deo 84 Baljean Dhillon 85 Annemarie Docherty 86 Tim Dong 87 Abdel Douiri 88 Johnny Downs 89 Alexandru Dregan 90 Elizabeth A Ellins 91 Martha Elwenspoek 92 Fabian Falck 93 Florian Falter 94 Yat Yi Fan 95 Joseph Firth 96 Lorna Fraser 97 Rocco Friebel 98 Amir Gavrieli 99 Moritz Gerstung 100 Ruth Gilbert 101 Clare Gillies 102 Myer Glickman 103 Ben Goldacre 104 Raph Goldacre 105 Felix Greaves 106 Mark Green 107 Luca Grieco 108 Rowena Griffiths 109 Deepti Gurdasani 110 Julian Halcox 111 Nick Hall 112 Tuankasfee Hama 113 Alex Handy 114 Anna Hansell 115 Pia Hardelid 116 Flavien Hardy 117 Daniel Harris 118 Camille Harrison 119 Katie Harron 120 Abdelaali Hassaine 121 Lamiece Hassan 122 Russell Healey 123 Harry Hemingway 124 Angela Henderson 125 Naomi Herz 126 Johannes Heyl 127 Mira Hidajat 128 Irene Higginson 129 Rosie Hinchliffe 130 Julia Hippisley-Cox 131 Frederick Ho 132 Mevhibe Hocaoglu 133 Sam Hollings 134 Elsie Horne 135 David Hughes 136 Ben Humberstone 137 Mike Inouye 138 Samantha Ip 139 Nazrul Islam 140 Caroline Jackson 141 David Jenkins 142 Xiyun Jiang 143 Shane Johnson 144 Umesh Kadam 145 Costas Kallis 146 Zainab Karim 147 Jake Kasan 148 Michalis Katsoulis 149 Kim Kavanagh 150 Frank Kee 151 Spencer Keene 152 Seamus Kent 153 Sara Khalid 154 Anthony Khawaja 155 Kamlesh Khunti 156 Richard Killick 157 Deborah Kinnear 158 Rochelle Knight 159 Ruwanthi Kolamunnage-Dona 160 Evan Kontopantelis 161 Amanj Kurdi 162 Ben Lacey 163 Alvina Lai 164 Andrew Lambarth 165 Milad Nazarzadeh Larzjan 166 Deborah Lawler 167 Thomas Lawrence 168 Claire Lawson 169 Qiuju Li 170 Ken Li 171 Miguel Bernabeu Llinares 172 Paula Lorgelly 173 Deborah Lowe 174 Jane Lyons 175 Ronan Lyons 176 Pedro Machado 177 Mary Joan Macleod 178 John Macleod 179 Evaleen Malgapo 180 Mamas Mamas 181 Mohammad Mamouei 182 Sinduja Manohar 183 Rutendo Mapeta 184 Javiera Leniz Martelli 185 David Moreno Martos 186 Bilal Mateen 187 Aoife McCarthy 188 Craig Melville 189 Rebecca Milton 190 Mehrdad Mizani 191 Marta Pineda Moncusi 192 Daniel Morales 193 Ify Mordi 194 Lynn Morrice 195 Carole Morris 196 Eva Morris 197 Yi Mu 198 Tanja Mueller 199 Lars Murdock 200 Vahé Nafilyan 201 George Nicholson 202 Elena Nikiphorou 203 John Nolan 204 Tom Norris 205 Ruth Norris 206 Laura North 207 Teri-Louise North 208 Dan O'Connell 209 Dominic Oliver 210 Adejoke Oluyase 211 Abraham Olvera-Barrios 212 Efosa Omigie 213 Sarah Onida 214 Sandosh Padmanabhan 215 Tom Palmer 216 Laura Pasea 217 Riyaz Patel 218 Rupert Payne 219 Jill Pell 220 Carmen Petitjean 221 Arun Pherwani 222 Owen Pickrell 223 Livia Pierotti 224 Munir Pirmohamed 225 Rouven Priedon 226 Dani Prieto-Alhambra 227 Alastair Proudfoot 228 Terry Quinn 229 Jennifer Quint 230 Elena Raffetti 231 Kazem Rahimi 232 Shishir Rao 233 Cameron Razieh 234 Brian Roberts 235 Caroline Rogers 236 Jennifer Rossdale 237 Safa Salim 238 Nilesh Samani 239 Naveed Sattar 240 Christian Schnier 241 Roy Schwartz 242 David Selby 243 Olena Seminog 244 Sharmin Shabnam 245 Ajay Shah 246 Jon Shelton 247 James Sheppard 248 Shubhra Sinha 249 Mirek Skrypak 250 Martina Slapkova 251 Katherine Sleeman 252 Craig Smith 253 Reecha Sofat 254 Filip Sosenko 255 Matthew Sperrin 256 Sarah Steeg 257 Jonathan Sterne 258 Serban Stoica 259 Maria Sudell 260 Cathie Sudlow 261 Luanluan Sun 262 Arun Karthikeyan Suseeladevi 263 Michael Sweeting 264 Matt Sydes 265 Rohan Takhar 266 Howard Tang 267 Johan Thygesen 268 George Tilston 269 Claire Tochel 270 Clea du Toit 271 Christopher Tomlinson 272 Renin Toms 273 Fatemeh Torabi 274 Ana Torralbo 275 Julia Townson 276 Adnan Tufail 277 Tapiwa Tungamirai 278 Susheel Varma 279 Sebastian Vollmer 280 Venexia Walker 281 Tianxiao Wang 282 Huan Wang 283 Alasdair Warwick 284 Ruth Watkinson 285 Harry Watson 286 William Whiteley 287 Hannah Whittaker 288 Harry Wilde 289 Tim Wilkinson 290 Gareth Williams 291 Michelle Williams 292 Richard Williams 293 Eloise Withnell 294 Charles Wolfe 295 Angela Wood 296 Lucy Wright 297 Honghan Wu 298 Jinge Wu 299 Jianhua Wu 300 Tom Yates 301 Francesco Zaccardi 302 Haoting Zhang 303 Huayu Zhang 304 Luisa Zuccolo 305 58863__24733__2ba7a3d8cfee48e0b58a0d26e4e7467e.pdf 58863.pdf 2022-07-25T16:27:33.2764592 Output 1269785 application/pdf Version of Record true © 2022 The Author(s). This is an Open Access article under the CC BY 4.0 license true eng https://creativecommons.org/licenses/by/4.0/ |
| title |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records |
| spellingShingle |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records Fatemeh Torabi Ashley Akbari |
| title_short |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records |
| title_full |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records |
| title_fullStr |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records |
| title_full_unstemmed |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records |
| title_sort |
COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records |
| author_id_str_mv |
f569591e1bfb0e405b8091f99fec45d3 aa1b025ec0243f708bb5eb0a93d6fb52 |
| author_id_fullname_str_mv |
f569591e1bfb0e405b8091f99fec45d3_***_Fatemeh Torabi aa1b025ec0243f708bb5eb0a93d6fb52_***_Ashley Akbari |
| author |
Fatemeh Torabi Ashley Akbari |
| author2 |
Fatemeh Torabi Johan H Thygesen Christopher Tomlinson Sam Hollings Mehrdad Mizani Alex Handy Ashley Akbari Amitava Banerjee Jennifer Cooper Alvina Lai Ken Li Bilal Mateen Naveed Sattar Reecha Sofat Ana Torralbo Honghan Wu Angela Wood Jonathan A C Sterne Christina Pagel William Whiteley Cathie Sudlow Harry Hemingway Spiros Denaxas Hoda Abbasizanjani Nida Ahmed Badar Ahmed Ashley Akbari Abdul Qadr Akinoso-Imran Elias Allara Freya Allery Emanuele Di Angelantonio Mark Ashworth Vandana Ayyar-Gupta Sonya Babu-Narayan Seb Bacon Steve Ball Ami Banerjee Mark Barber Jessica Barrett Marion Bennie Colin Berry Jennifer Beveridge Ewan Birney Lana Bojanić Thomas Bolton Anna Bone Jon Boyle Tasanee Braithwaite Ben Bray Norman Briffa David Brind Katherine Brown Maya Buch Dexter Canoy Massimo Caputo Raymond Carragher Alan Carson Genevieve Cezard Jen-Yu Amy Chang Kate Cheema Richard Chin Yogini Chudasama Jennifer Cooper Emma Copland Rebecca Crallan Rachel Cripps David Cromwell Vasa Curcin Gwenetta Curry Caroline Dale John Danesh Jayati Das-Munshi Ashkan Dashtban Alun Davies Joanna Davies Gareth Davies Neil Davies Joshua Day Antonella Delmestri Spiros Denaxas Rachel Denholm John Dennis Alastair Denniston Salil Deo Baljean Dhillon Annemarie Docherty Tim Dong Abdel Douiri Johnny Downs Alexandru Dregan Elizabeth A Ellins Martha Elwenspoek Fabian Falck Florian Falter Yat Yi Fan Joseph Firth Lorna Fraser Rocco Friebel Amir Gavrieli Moritz Gerstung Ruth Gilbert Clare Gillies Myer Glickman Ben Goldacre Raph Goldacre Felix Greaves Mark Green Luca Grieco Rowena Griffiths Deepti Gurdasani Julian Halcox Nick Hall Tuankasfee Hama Alex Handy Anna Hansell Pia Hardelid Flavien Hardy Daniel Harris Camille Harrison Katie Harron Abdelaali Hassaine Lamiece Hassan Russell Healey Harry Hemingway Angela Henderson Naomi Herz Johannes Heyl Mira Hidajat Irene Higginson Rosie Hinchliffe Julia Hippisley-Cox Frederick Ho Mevhibe Hocaoglu Sam Hollings Elsie Horne David Hughes Ben Humberstone Mike Inouye Samantha Ip Nazrul Islam Caroline Jackson David Jenkins Xiyun Jiang Shane Johnson Umesh Kadam Costas Kallis Zainab Karim Jake Kasan Michalis Katsoulis Kim Kavanagh Frank Kee Spencer Keene Seamus Kent Sara Khalid Anthony Khawaja Kamlesh Khunti Richard Killick Deborah Kinnear Rochelle Knight Ruwanthi Kolamunnage-Dona Evan Kontopantelis Amanj Kurdi Ben Lacey Alvina Lai Andrew Lambarth Milad Nazarzadeh Larzjan Deborah Lawler Thomas Lawrence Claire Lawson Qiuju Li Ken Li Miguel Bernabeu Llinares Paula Lorgelly Deborah Lowe Jane Lyons Ronan Lyons Pedro Machado Mary Joan Macleod John Macleod Evaleen Malgapo Mamas Mamas Mohammad Mamouei Sinduja Manohar Rutendo Mapeta Javiera Leniz Martelli David Moreno Martos Bilal Mateen Aoife McCarthy Craig Melville Rebecca Milton Mehrdad Mizani Marta Pineda Moncusi Daniel Morales Ify Mordi Lynn Morrice Carole Morris Eva Morris Yi Mu Tanja Mueller Lars Murdock Vahé Nafilyan George Nicholson Elena Nikiphorou John Nolan Tom Norris Ruth Norris Laura North Teri-Louise North Dan O'Connell Dominic Oliver Adejoke Oluyase Abraham Olvera-Barrios Efosa Omigie Sarah Onida Sandosh Padmanabhan Tom Palmer Laura Pasea Riyaz Patel Rupert Payne Jill Pell Carmen Petitjean Arun Pherwani Owen Pickrell Livia Pierotti Munir Pirmohamed Rouven Priedon Dani Prieto-Alhambra Alastair Proudfoot Terry Quinn Jennifer Quint Elena Raffetti Kazem Rahimi Shishir Rao Cameron Razieh Brian Roberts Caroline Rogers Jennifer Rossdale Safa Salim Nilesh Samani Naveed Sattar Christian Schnier Roy Schwartz David Selby Olena Seminog Sharmin Shabnam Ajay Shah Jon Shelton James Sheppard Shubhra Sinha Mirek Skrypak Martina Slapkova Katherine Sleeman Craig Smith Reecha Sofat Filip Sosenko Matthew Sperrin Sarah Steeg Jonathan Sterne Serban Stoica Maria Sudell Cathie Sudlow Luanluan Sun Arun Karthikeyan Suseeladevi Michael Sweeting Matt Sydes Rohan Takhar Howard Tang Johan Thygesen George Tilston Claire Tochel Clea du Toit Christopher Tomlinson Renin Toms Fatemeh Torabi Ana Torralbo Julia Townson Adnan Tufail Tapiwa Tungamirai Susheel Varma Sebastian Vollmer Venexia Walker Tianxiao Wang Huan Wang Alasdair Warwick Ruth Watkinson Harry Watson William Whiteley Hannah Whittaker Harry Wilde Tim Wilkinson Gareth Williams Michelle Williams Richard Williams Eloise Withnell Charles Wolfe Angela Wood Lucy Wright Honghan Wu Jinge Wu Jianhua Wu Tom Yates Francesco Zaccardi Haoting Zhang Huayu Zhang Luisa Zuccolo |
| format |
Journal article |
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The Lancet Digital Health |
| container_volume |
4 |
| container_issue |
7 |
| container_start_page |
e542 |
| publishDate |
2022 |
| institution |
Swansea University |
| issn |
2589-7500 |
| doi_str_mv |
10.1016/s2589-7500(22)00091-7 |
| publisher |
Elsevier BV |
| college_str |
Faculty of Medicine, Health and Life Sciences |
| hierarchytype |
|
| hierarchy_top_id |
facultyofmedicinehealthandlifesciences |
| hierarchy_top_title |
Faculty of Medicine, Health and Life Sciences |
| hierarchy_parent_id |
facultyofmedicinehealthandlifesciences |
| hierarchy_parent_title |
Faculty of Medicine, Health and Life Sciences |
| department_str |
Swansea University Medical School - Medicine{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}Swansea University Medical School - Medicine |
| document_store_str |
1 |
| active_str |
0 |
| description |
BackgroundUpdatable estimates of COVID-19 onset, progression, and trajectories underpin pandemic mitigation efforts. To identify and characterise disease trajectories, we aimed to define and validate ten COVID-19 phenotypes from nationwide linked electronic health records (EHR) using an extensible framework.MethodsIn this cohort study, we used eight linked National Health Service (NHS) datasets for people in England alive on Jan 23, 2020. Data on COVID-19 testing, vaccination, primary and secondary care records, and death registrations were collected until Nov 30, 2021. We defined ten COVID-19 phenotypes reflecting clinically relevant stages of disease severity and encompassing five categories: positive SARS-CoV-2 test, primary care diagnosis, hospital admission, ventilation modality (four phenotypes), and death (three phenotypes). We constructed patient trajectories illustrating transition frequency and duration between phenotypes. Analyses were stratified by pandemic waves and vaccination status.FindingsAmong 57 032 174 individuals included in the cohort, 13 990 423 COVID-19 events were identified in 7 244 925 individuals, equating to an infection rate of 12·7% during the study period. Of 7 244 925 individuals, 460 737 (6·4%) were admitted to hospital and 158 020 (2·2%) died. Of 460 737 individuals who were admitted to hospital, 48 847 (10·6%) were admitted to the intensive care unit (ICU), 69 090 (15·0%) received non-invasive ventilation, and 25 928 (5·6%) received invasive ventilation. Among 384 135 patients who were admitted to hospital but did not require ventilation, mortality was higher in wave 1 (23 485 [30·4%] of 77 202 patients) than wave 2 (44 220 [23·1%] of 191 528 patients), but remained unchanged for patients admitted to the ICU. Mortality was highest among patients who received ventilatory support outside of the ICU in wave 1 (2569 [50·7%] of 5063 patients). 15 486 (9·8%) of 158 020 COVID-19-related deaths occurred within 28 days of the first COVID-19 event without a COVID-19 diagnoses on the death certificate. 10 884 (6·9%) of 158 020 deaths were identified exclusively from mortality data with no previous COVID-19 phenotype recorded. We observed longer patient trajectories in wave 2 than wave 1.InterpretationOur analyses illustrate the wide spectrum of disease trajectories as shown by differences in incidence, survival, and clinical pathways. We have provided a modular analytical framework that can be used to monitor the impact of the pandemic and generate evidence of clinical and policy relevance using multiple EHR sources. |
| published_date |
2022-07-01T05:00:17Z |
| _version_ |
1860789985272135680 |
| score |
11.100225 |

