Variables | Non-survivor (N = 75) | Survivor (N = 2094) | P valuea |
---|---|---|---|
Age, years | 72 (67, 82) | 61 (50, 69) |  < 0.001 |
Sex | Â | Â | 0.003 |
 Male | 49 (65) | 987 (47) |  |
 Female | 26 (35) | 1107 (53) |  |
Smoking history | Â | Â | 0.325 |
 Never | 66 (88) | 1919 (92) |  |
 Former | 3 (4) | 77 (4) |  |
 Current | 6 (8) | 98 (5) |  |
Body temperature |  |  |  < 0.001 |
 < 37·3 ℃ | 54 (72) | 1998 (95) |  |
 37.3–38.0 ℃ | 12 (16) | 75 (4) |  |
 > 38.0 ℃ | 9 (12) | 21 (1) |  |
Oxygen saturation |  |  |  < 0.001 |
 ≤ 93% | 59 (79) | 211 (10) |  |
 > 93% | 16 (21) | 1883 (90) |  |
Heart rate |  |  |  < 0.001 |
 Normal | 51 (68) | 1759 (84) |  |
 Abnormal | 24 (32) | 335 (16) |  |
Respiratory rate |  |  |  < 0.001 |
 ≤ 20 per minute | 26 (35) | 1547 (74) |  |
 21–29 per minute | 35 (47) | 493 (24) |  |
 ≥ 30 per minute | 14 (19) | 54 (3) |  |
No. of comorbidities |  |  |  < 0.001 |
 0 | 11 (15) | 1024 (49) |  |
 1 | 17 (23) | 574 (27) |  |
 ≥ 2 | 47 (63) | 496 (24) |  |
No. of system symptoms | Â | Â | 0.03 |
 0 | 3 (4) | 90 (4) |  |
 1 | 14 (19) | 714 (34) |  |
 2 | 49 (65) | 1081 (52) |  |
 ≥ 3 | 9 (12) | 209 (10) |  |
White blood cell count, × 109/L | 10.2 (7.27, 14.09) | 5.75 (4.71, 6.94) |  < 0.001 |
Neutrophil count, × 109/L | 9.62 (6.8, 13.53) | 3.42 (2.59, 4.46) |  < 0.001 |
Lymphocyte count, × 109/L | 0.56 (0.4, 0.8) | 1.56 (1.17, 1.92) |  < 0.001 |
Neutrophil-to-lymphocyte ratio | 16.98 (11.88, 26.16) | 2.18 (1.6, 3.15) |  < 0.001 |
Monocyte count, × 109/L | 0.38 (0.22, 0.64); n = 75 | 0.48 (0.38, 0.59); n = 2087 | 0.002 |
Eosinophilia count, × 109/L | 0.01 (0, 0.04); n = 75 | 0.11 (0.06, 0.18); n = 2087 |  < 0.001 |
Basophilia count, × 109/L | 0.01 (0, 0.02); n = 75 | 0.03 (0.02, 0.04); n = 2088 |  < 0.001 |
Red blood cell count, × 109/L | 4.02 (3.31, 4.34); n = 75 | 4.02 (3.64, 4.4); n = 2083 | 0.051 |
Hemoglobin, g/L | 118 (101, 134); n = 75 | 121 (110, 132); n = 2083 | 0.213 |
Platelet count, × 109/L | 172 (89, 263); n = 75 | 223 (182, 273); n = 2089 |  < 0.001 |
C-reactive protein, mg/L | 89.33 (38.26, 135.91); n = 75 | 1.18 (0.5, 6.09); n = 2001 |  < 0.001 |
Lactic dehydrogenase, IU/L | 429.14 (366, 541.2); n = 73 | 175.2 (148.9, 211.2); n = 1989 |  < 0.001 |
Interleukin-6, pg/mL | 65.28 (20.41, 154.1); n = 27 | 2.42 (1.5, 5.91); n = 1338 |  < 0.001 |
Procalcitonin, ng/mL | 0.28 (0.14, 0.66); n = 63 | 0.04 (0.03, 0.08); n = 1398 |  < 0.001 |
D-dimer, μg/mL | 2.43 (0.78, 5.61); n = 47 | 0.37 (0.17, 0.74); n = 1074 |  < 0.001 |