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. 2023 Dec 26;6(12):e2346502. doi: 10.1001/jamanetworkopen.2023.46502

Table 1. General Characteristics of the ISARIC Cohort of Patients With Severe COVID-19 by World Health Organization Geographic Region.

Characteristic Patients, No. (%)
Global Africa Americas Eastern Mediterranean Europe South-East Asia Western Pacific
Demographic characteristic
Total 434 851 (100) 221 529 (50.9) 14 167 (3.3) 9345 (2.1) 180 185 (41.4) 8033 (1.8) 1592 (0.4)
Age
Available 431 806 (99.3) 221 467 (100) 14 142 (99.8) 9345 (100) 177 227 (98.4) 8033 (100) 1592 (100)
Median (IQR), y 61.0 (48.0-74.0) 57.0 (45.0-68.0) 60.0 (47.0-71.0) 60.0 (49.0-70.0) 69.0 (55.0-81.0) 58.0 (46.0-69.0) 59.0 (48.0-68.0)
Sex
Available 434 851 (100) 221 529 (100) 14 167 (100) 9345 (100) 180 185 (100) 8033 (100) 1592 (100)
Female 203 848 (46.9) 116 167 (52.4) 5493 (38.8) 3434 (36.7) 75 527 (41.9) 2652 (33.0) 575 (36.1)
Male 230 664 (53.0) 105 282 (47.5) 8653 (61.1) 5907 (63.2) 104 429 (58.0) 5380 (67.0) 1013 (63.9)
Unknown 339 (0.1) 80 (0.0) 21 (0.1) 4 (0.0) 229 (0.1) 1 (0.0) 4 (0.3)
Severity indicator
Received oxygen
Available 434 782 (100) 221 529 (100) 14 167 (100) 9345 (100) 180 118 (100) 8033 (100) 1590 (99.9)
Yes 404 942 (93.1) 199 266 (90.0) 13 354 (94.3) 9317 (99.7) 173 574 (96.4) 7935 (98.8) 1496 (94.1)
Treated in ICU
Available 432 095 (99.4) 221 528 (100) 14 157 (99.9) 9345 (100) 177 440 (98.5) 8033 (100) 1592 (100)
Yes 164 160 (38.0) 86 842 (39.2) 9631 (68.0) 9343 (100) 49 661 (28.0) 7626 (94.9) 1057 (66.4)
Comorbidity
Hypertension
Available 350 101 (80.5) 174 692 (78.9) 13 696 (96.7) 9313 (99.7) 143 552 (79.7) 7705 (95.9) 1143 (71.8)
Yes 156 204 (44.6) 76 207 (43.6) 7065 (51.6) 4423 (47.5) 64 914 (45.2) 3034 (39.4) 561 (49.1)
Diabetes
Available 360 380 (82.9) 166 526 (75.2) 13 936 (98.4) 9238 (98.9) 161 411 (89.6) 7696 (95.8) 1573 (98.8)
Yes 101 888 (28.3) 45 657 (27.4) 7793 (55.9) 2103 (22.8) 44 309 (27.5) 1526 (19.8) 500 (31.8)
HIV infection
Available 342 066 (78.7) 157 790 (71.2) 11 648 (82.2) 8522 (91.2) 156 515 (86.9) 6277 (78.1) 1314 (82.5)
Yes 14 225 (4.2) 13 475 (8.5) 119 (1.0) 2 (0.0) 603 (0.4) 21 (0.3) 5 (0.4)
Asthma
Available 351 830 (80.9) 158 263 (71.4) 13 861 (97.8) 9327 (99.8) 161 090 (89.4) 7707 (95.9) 1582 (99.4)
Yes 31 782 (9.0) 7624 (4.8) 1294 (9.3) 409 (4.4) 22 199 (13.8) 129 (1.7) 127 (8.0)
Chronic pulmonary disease
Available 350 751 (80.7) 154 864 (69.9) 13 876 (97.9) 9326 (99.8) 163 390 (90.7) 7713 (96.0) 1582 (99.4)
Yes 33 413 (9.5) 3969 (2.6) 1291 (9.3) 159 (1.7) 27 584 (16.9) 338 (4.4) 72 (4.6)
Obesity
Available 227 973 (52.4) 54 513 (24.6) 8491 (59.9) 9299 (99.5) 146 818 (81.5) 7322 (91.1) 1530 (96.1)
Yes 42 506 (18.6) 11 957 (21.9) 2559 (30.1) 171 (1.8) 27 393 (18.7) 193 (2.6) 233 (15.2)
Tuberculosis
Available 201 270 (46.3) 156 180 (70.5) 10 209 (72.1) 9314 (99.7) 17 253 (9.6) 7697 (95.8) 617 (38.8)
Yes 4229 (2.1) 3981 (2.5) 72 (0.7) 27 (0.3) 78 (0.5) 64 (0.8) 7 (1.1)

Abbreviations: ICU, intensive care unit; ISARIC, International Severe Acute Respiratory and Emerging Infections Consortium.