Table 2.
Descriptive statistics for age, vital parameters, laboratory measurements, and severity scores
| Variable | All patients (n=801) |
Survivor (n=464) |
Non-survivor (n=337) |
P-Value* |
|---|---|---|---|---|
| Age, median (25th-75th) | ||||
| Age | 69 (58-78) | 69 (56-77) | 70 (61-80) | 0.005 |
| Vital signs, median (25th-75th) | ||||
| SBP (mmHg) | 120 (110-133) | 124 (113-140) | 115 (109-123) | <0.001 |
| DBP(mmHg) | 72 (65-81) | 77 (66- 85) | 71 (65-78) | <0.001 |
| MAP (mmHg) | 88. 7 (80.5-98.3) | 92 (82.7-101.7) | 85.7 (79.3-92.5) | <0.001 |
| HR (bpm) | 96 (81-107) | 88 (77-100) | 105 (93-113) | <0.001 |
| spO2 (%) | 92 (86-96) | 95 (91-97) | 87 (81-93) | <0.001 |
| RR (bpm) | 20 (15-28) | 16 (14-20) | 28 (21-37) | <0.001 |
| Temp (ºC) | 36.7 (36.3-37.2) | 36.7 (36.2-37.1) | 36.7 (36.3-37.4) | 0.059 |
| Laboratory measurements, median (25th-75th) | ||||
| WBC (103/mm 3 ) | 8.5 (6.2-13.1) | 7.7 (5.6-11.8) | 9.8 (7.0-14.4) | <0.001 |
| Neutrophil (103/mm 3 ) | 6.5 (4.3-10.6) | 5.7 (3.8-9.8) | 7.3 (5.3-12.1) | <0.001 |
| Lymphocyte (103/mm 3 ) | 1.1 (0.6-1.7) | 1 (0.6-1.6) | 1.2 (0.7-1.8) | 0.039 |
| Hemoglobin (g/dL) | 12.1 (10.6-13.3) | 12.4 (11.0-13.4) | 11.6 (10.0-13.0) | <0.001 |
| Platelet (103/mm 3 ) | 201 (137-266) | 206.5 (151.3-268) | 187 (97-262.5) | <0.001 |
| CRP (mg/L) | 118.9 (50.2-189.8) | 96.3 (35-173.2) | 147.2 (76.7 -220.8) | <0.001 |
| BUN (mg/dL) | 39 (25-57) | 40 (28-57) | 36 (22-62) | 0.107 |
| Creatinin (mg/dL) | 1.18 (0.85-2.1) | 0.99 (0.76-1.73) | 1.60 (1.04-2.30) | <0.001 |
| Sodium (mmol/L) | 137 (133-141) | 136 (133-140) | 138 (133-144) | <0.001 |
| Potassium (mmol/L) | 4.3 (3.8-4.8) | 4.24 (3.9-4.7) | 4.3 (3.8-5) | 0.080 |
| AST (U/L) | 45 (28-95) | 37 (26-74.75) | 58 (35-119.5) | <0.001 |
| ALT (U/L) | 37 (19-95) | 31 (16-67) | 49 (24-126) | <0.001 |
| Total bilirubin (mg/dL) | 0.6 (0.4-0.8) | 0.5 (0.3-0.79) | 0.67 (0.5-0.99) | <0.001 |
| HS troponin (ng/L) | 23 (11-54) | 18 (9-38) | 36 (16-67) | <0.001 |
| D-dimer (ug/L) | 645(411.5-993.5) | 607.5 (375-925.3) | 727 (491.5-1089.5) | <0.001 |
| Severity scores, median (25th-75th) | ||||
| SI | 0.78 (0.64-0.91) | 0.69 (0.59-0.83) | 0.91 (0.77-1.0) | <0.001 |
| aSI | 52.25 (41.17-64.85) | 46.33 (36.6-56.6) | 61.3 (50.71-74.24) | <0.001 |
| dSI | 1.31 (1.07-1.54) | 1.16 (1-1.38) | 1.46 (1.27-1.66) | <0.001 |
| mSI | 1.07 (0.87-1.26) | 0.96 (0.81-1.13) | 1.22 (1.06-1.34) | <0.001 |
Note: Continuous and ordinal data were analyzed with the Mann Whitney U test.
*
Asymptotic 2-sided significance between groups.
Abbreviations: aSI, age shock index; CRP, c-reactive protein; DBP, diastolic blood pressure; dSI, diastolic shock index; HR, heart rate; HS troponin, high sensitive troponin T; mSI, modified shock index; SBP, systolic blood pressure; SI, shock index; spO2, blood oxygen saturation.