Table 2

Clinical and radiographic characteristics of patients

CharacteristicAll patients (n=5 22 167)*ICU admission (n=1 72 473)Non-ICU admission (n=2 93 384)Not reported (n=56 310)P valueSurvivor and non-COVID-19 death (n=2 97 043)Non-survivor (n=1 60 495)†Still in the hospital (n=53 503)P value
Any comorbidity, number (%)336 909 (64.5)128 590 (74.6)179 847 (61.3)28 472 (50.6)<0.001173 828 (58.5)123 265 (76.8)33 318 (62.3)<0.001
 Chronic cardiovascular disease180 370 (34.5)72 196 (41.9)93 574 (31.9)14 600 (25.9)<0.00189 402 (30.1)69 768 (43.5)17 980 (33.6)<0.001
 Chronic haematologic diseases4134 (0.8)1687 (1.0)2204 (0.8)243 (0.4)<0.0011957 (0.7)1739 (1.1)365 (0.7)<0.001
 Chronic hepatic disease4732 (0.9)2101 (1.2)2309 (0.8)322 (0.6)<0.0011924 (0.7)2368 (1.5)361 (0.7)<0.001
 Asthma14 567 (2.8)4947 (2.9)8639 (2.9)981 (1.7)<0.0019130 (3.1)3634 (2.3)1514 (2.8)<0.001
 Diabetes134 391 (25.7)53 717 (31.2)69 078 (23.6)11 596 (20.6)<0.00165 941 (22.2)52 958 (33.0)12 844 (24.0)<0.001
 Chronic neurological disease21 016 (4.0)8821 (5.1)10 832 (3.7)1363 (2.4)<0.0018113 (2.7)10 943 (6.8)1622 (3.0)<0.001
 Chronic lung disease20 140 (3.9)9249 (5.4)9483 (3.2)1408 (2.5)<0.0018222 (2.8)10 021 (6.2)1621 (3.0)<0.001
 Immunodeficiency13 967 (2.7)5689 (3.3)7376 (2.5)902 (1.6)<0.0016351 (2.1)6283 (3.9)1132 (2.1)<0.001
 Chronic renal disease21 725 (4.2)10 684 (6.2)9429 (3.2)1512 (2.9)<0.0018149 (2.7)11 491 (7.2)1743 (3.3)<0.001
 Obesity38 415 (7.4)18 057 (10.5)17 998 (6.1)2360 (4.2)<0.00120 993 (7.1)12 765 (8.0)4005 (7.5)<0.001
 Others‡144 081 (27.6)58 139 (33.7)74 994 (25.6)10 948 (19.4)<0.00172 598 (24.4)55 866 (34.8)13 042 (24.4)<0.001
Symptoms, number (%)
 Fever188 572 (64.3)104 650 (60.7)188 572 (64.3)34 789 (61.8)<0.001194 578 (65.5)93 933 (58.5)32 586 (60.9)<0.001
 Cough369 192 (70.7)115 147 (66.7)215 084 (73.3)38 961 (69.2)<0.001219 433 (73.9)105 252 (65.6)36 717 (68.6)<0.001
 Sore throat90 487 (17.3)23 531 (13.6)56 653 (19.3)10 303 (18.3)<0.00156 741 (19.1)22 982 (14.3)8872 (16.6)<0.001
 Shortness of breath367 917 (70.5)131 799 (76.4)199 805 (68.1)36 313 (64.5)<0.001200 051 (67.4)124 724 (77.7)35 709 (66.7)<0.001
 Respiratory distress syndrome296 238 (56.7)107 762 (62.5)163 370 (55.7)25 106 (44.7)<0.001157 412 (53.0)104 555 (65.2)28 046 (52.4)<0.001
 Oxygen saturation <95%303 282 (58.1)116 355 (67.5)160 837 (54.8)26 090 (46.3)<0.001156 349 (52.6)111 097 (69.2)29 704 (55.5)<0.001
 Diarrhoea71 069 (13.6)20 340 (11.8)44 411 (15.1)6318 (11.2)<0.00144 961 (15.1)17 419 (10.9)7264 (13.6)<0.001
 Vomiting41 974 (8.0)11 950 (6.9)26 177 (8.9)3847 (6.8)<0.00125 799 (8.7)11 076 (6.9)4156 (7.8)<0.001
 Others§179 222 (34.3)58 268 (33.8)105 646 (36.0)15 308 (27.2)<0.001112 278 (37.8)45 263 (28.2)18 294 (34.2)<0.001
Chest radiograph, number (%)<0.001<0.001
 Normal11 816 (2.3)3403 (2.0)7782 (2.7)631 (1.1)7895 (2.7)2558 (1.6)1091 (2.0)
 Interstitial abnormalities81 412 (15.6)28 091 (16.3)48 864 (16.7)4457 (7.9)45 320 (15.3)27 071 (16.9)7500 (14.0)
 Other¶85 870 (16.4)35 844 (20.8)47 185 (16.1)2841 (5.1)246 250 (82.9)132 429 (82.5)47 639 (89.0)
  • *Includes 11 126 patients with unknown clinical outcome.

  • †Non-survivors are classified as those whose death was associated with COVID-19, according to the SIVEP-Gripe database. Those who had COVID-19 but died due to an unrelated cause are classified under ‘Survivor & non-COVID-19 death’. Survivor n=296 002, non-COVID-19 death=1041.

  • ‡Other comorbidities that were not specifically asked about in the survey, but self-reported as ‘other’ include, but are not limited to hypertension, cancer, anaemia, bronchitis, dyslipidaemia and pulmonary emphysema.

  • §Other symptoms that were not specifically asked about in the surveillance form, but self-reported as ‘other’ include, but are not limited to loss of taste, loss of smell, myalgia, weakness, body ache, fatigue, exhaustion, tachypnea and syncope.

  • ¶Includes consolidation, mixed and other.

  • ICU, intensive care unit.