Table 1 Baseline characteristics between survivors and non-survivors
Variables | Total (n = 1553) | Survivors (n = 973) | Non survivors (n = 580) | P |
|---|---|---|---|---|
Age (years) | 66.8 ± 15.1 | 66.9 ± 14.5 | 66.7 ± 16.0 | 0.823 |
Gender (%) | 0.868 | |||
Female | 687 (44.2) | 432 (44.4) | 255 (44) | |
Male | 866 (55.8) | 541 (55.6) | 325 (56) | |
Length of stay in hospital | 349.8 (190.3, 633.8) | 475.9 (242.4, 798.3) | 234.2 (122.1, 374.0) | < 0.001 |
Length of stay in ICU | 135.6 (70.6, 286.1) | 136.1 (69.8, 328.1) | 131.2 (73.9, 244.0) | 0.064 |
Vital signs | ||||
HR (beats/min) | 94.9 ± 22.6 | 94.1 ± 22.5 | 96.2 ± 22.8 | 0.084 |
SBP (mmHg) | 119.2 ± 24.6 | 120.2 ± 25.2 | 117.4 ± 23.5 | 0.026 |
DBP (mmHg) | 65.4 ± 18.3 | 66.2 ± 18.8 | 64.0 ± 17.2 | 0.023 |
MBP (mmHg) | 79.3 ± 18.9 | 80.3 ± 19.2 | 77.6 ± 18.2 | 0.006 |
RR (t/min) | 21.1 ± 6.3 | 20.8 ± 6.1 | 21.6 ± 6.6 | 0.017 |
SpO2 (%) | 96.2 ± 4.9 | 96.5 ± 4.5 | 95.8 ± 5.3 | 0.006 |
Temperature (℃) | 36.7 ± 1.0 | 36.7 ± 1.0 | 36.6 ± 1.1 | 0.068 |
Laboratory parameters | ||||
ALB (g/dL) | 2.9 ± 0.7 | 2.9 ± 0.7 | 2.8 ± 0.7 | < 0.001 |
Ferritin (ng/ml) | 532.0 (230.0, 1199.0) | 467.0 (209.0, 1011.0) | 777.0 (292.8, 1847.8) | < 0.001 |
FAR | 188.7 (78.5, 462.9) | 164.2 (69.4, 355.9) | 292.9 (107.3, 669.5) | < 0.001 |
AG (mg/dL) | 17.7 ± 6.0 | 17.1 ± 5.6 | 18.8 ± 6.4 | < 0.001 |
Bicarbonate (mg/dL) | 21.4 ± 6.0 | 21.8 ± 6.0 | 20.8 ± 6.0 | 0.002 |
Calcium (mg/dL) | 8.2 ± 1.2 | 8.2 ± 1.2 | 8.2 ± 1.1 | 0.749 |
Chloride(mEq/L) | 101.8 ± 8.5 | 102.2 ± 8.5 | 101.2 ± 8.5 | 0.026 |
Sodium (mEq/L) | 137.4 ± 7.4 | 137.4 ± 7.4 | 137.4 ± 7.4 | 0.929 |
Potassium (mEq/L) | 4.4 ± 1.0 | 4.4 ± 1.0 | 4.5 ± 1.0 | 0.472 |
HCT (%) | 31.2 ± 7.1 | 31.4 ± 7.1 | 31.0 ± 7.0 | 0.351 |
HGB (g/dL) | 10.1 ± 2.3 | 10.2 ± 2.3 | 10.1 ± 2.4 | 0.388 |
RBC (109/L) | 3.4 ± 0.9 | 3.4 ± 0.9 | 3.4 ± 0.9 | 0.043 |
RDW (%) | 16.5 ± 2.8 | 16.4 ± 2.7 | 16.7 ± 2.9 | 0.01 |
Glu (mg/dL) | 133.0 (104.0, 178.0) | 132.0 (105.0, 178.0) | 133.0 (101.0, 178.0) | 0.514 |
BUN (mg/dL) | 33.0 (20.0, 55.0) | 32.0 (19.0, 53.0) | 37.0 (21.0, 60.0) | 0.003 |
Crea (mg/dL) | 1.5 (0.9, 2.8) | 1.5 (0.9, 2.7) | 1.7 (1.0, 2.8) | 0.1 |
PLT (109/L) | 185.0 (119.0, 272.0) | 195.0 (126.0, 282.0) | 168.5 (105.8, 247.0) | < 0.001 |
WBC (109/L) | 12.0 (7.6, 17.8) | 11.6 (7.2, 16.9) | 13.2 (8.5, 19.3) | < 0.001 |
Comorbidities, n (%) | ||||
Myocardial infarct | 297 (19.1) | 177 (18.2) | 120 (20.7) | 0.226 |
Congestive heart failure | 609 (39.2) | 381 (39.2) | 228 (39.3) | 0.952 |
Chronic pulmonary disease | 499 (32.1) | 297 (30.5) | 202 (34.8) | 0.079 |
Diabetes | 216 (13.9) | 165 (17) | 51 (8.8) | < 0.001 |
Renal disease | 504 (32.5) | 340 (34.9) | 164 (28.3) | 0.007 |
Malignant cancer | 296 (19.1) | 190 (19.5) | 106 (18.3) | 0.544 |
Severe liver disease | 250 (16.1) | 130 (13.4) | 120 (20.7) | < 0.001 |
Metastatic solid tumor | 148 (9.5) | 72 (7.4) | 76 (13.1) | < 0.001 |
Sofa score | 4.4 ± 2.5 | 4.1 ± 2.2 | 4.8 ± 2.8 | < 0.001 |