Table 2.
Clinical and coagulation characteristics of patients being classified as severe COVID‐19
| Parameters | Normal range | Total (n = 449) | Survivors (n = 315) | Nonsurvivors (n = 134) | P values |
|---|---|---|---|---|---|
| Age (years) | 65.1 ± 12.0 | 63.7 ± 12.2 | 68.7 ± 11.4 | <.001 | |
| Sex ratio (male/female) | 268/181 | 178/137 | 90/44 | .036 | |
| With underlying diseases | 272 (60.6%) | 181 (57.5%) | 91 (67.9%) | .136 | |
| Receiving heparin | 99 (22.0%) | 69 (21.9%) | 30 (22.4%) | .910 | |
| Meeting SIC criteria | 97 (21.6%) | 42 (13.3%) | 55 (41.0%) | <.001 | |
| Coagulation parameters | |||||
| PT (s) | 11.5‐14.5 | 15.2 ± 5.0 | 14.6 ± 2.1 | 16.5 ± 8.4 | <.001 |
| Platelet count (×109/L) | 125‐350 | 215 ± 100 | 231 ± 99 | 178 ± 92 | <.001 |
| D‐dimer (μg/mL) | <0.5 | 1.94 (0.90‐9.44) | 1.47 (0.78‐4.16) | 4.70 (1.42‐21.00) | <.001 |