Table 1 Demographics and clinical characteristics of recruited COVID-19 patients
Characteristics | Total | Mild | Severe | P value |
|---|---|---|---|---|
(n = 703) | (n = 616) | (n = 87) | ||
Age, years, median (IQR) | 63 (50–70) | 62 (49–69) | 67 (57–76) | < 0.001 |
≤ 60 | 307 (43.7) | 281 (45.6) | 26 (29.9) | 0.006* |
> 60 | 396 (56.3) | 335 (54.4) | 61 (70.1) | |
Sex, male, n (%) | 332 (47.2) | 281 (45.6) | 51 (58.6) | 0.023* |
Interval#, days, median (IQR) | 11 (7–15) | 11 (7–15) | 10 (7–15) | 0.808 |
≤ 10 | 348 (49.5) | 303 (49.2) | 45 (51.7) | 0.658 |
> 10 | 355 (50.5) | 313 (50.8) | 42 (48.3) | |
Length of stay, days, median (IQR) | 21 (14–24) | 22 (15–24) | 18 (10–23) | 0.001 |
Clinical manifestation on admission, n (%) | ||||
Fever | 533 (75.8) | 467 (75.8) | 66 (75.9) | 0.992 |
Cough | 438 (62.3) | 387 (62.8) | 51 (58.6) | 0.449 |
Fatigue | 174 (24.8) | 149 (24.2) | 25 (28.7) | 0.358 |
Anhelation | 178 (25.3) | 149 (24.2) | 29 (33.3) | 0.066 |
Nausea | 57 (8.1) | 50 (8.1) | 7 (8.0) | 0.982 |
Diarrhea | 115 (16.4) | 104 (16.9) | 11 (12.6) | 0.317 |
Anorexia | 72 (10.2) | 65 (10.6) | 7 (8.0) | 0.471 |
Comorbidity, n (%) | 290 (41.3) | 245 (39.8) | 45 (51.7) | 0.034 |
Hypertension | 236 (33.6) | 199 (32.3) | 37 (42.5) | 0.059 |
Diabetes | 99 (14.1) | 83 (13.5) | 16 (18.4) | 0.217 |
Cardiovascular disease | 53 (7.5) | 47 (7.6) | 6 (6.9) | 0.808 |
Cerebral infarction | 19 (2.7) | 15 (2.4) | 4 (4.6) | 0.417 |