Table 1.
Demographic and clinical data of the patients included in this study
| Total (n = 202) |
Survival group (n = 170) |
Death group (n = 32) |
χ2/t | P-value | |
|---|---|---|---|---|---|
| Age (years) | 72.02 ± 9.66 | 71.27 ± 9.68 | 76.00 ± 8.61 | 2.577 | 0.011 |
| Female (%) | 160 (79.21) | 138 (81.18) | 22 (68.75) | 2.525 | 0.112 |
| Shock(%) | 74 (36.63) | 52 (30.59) | 20 (62.50) | 11.956 | 0.001 |
| Surgical treatment(%) | 170 (84.16) | 146 (85.88) | 24 (75.00) | 2.392 | 0.122 |
| APACHE II score | 17.90 ± 5.16 | 16.75 ± 4.18 | 24.00 ± 5.59 | 8.487 | < 0.001 |
| SOFA score | 6.24 ± 3.78 | 5.49 ± 3.36 | 10.22 ± 3.37 | 7.284 | < 0.001 |
| Comorbidities | |||||
| Diabetes(%) | 114 (56.44) | 92 (54.12) | 22 (68.75) | 2.345 | 0.126 |
| Hypertension(%) | 100 (49.50) | 82 (48.24) | 18 (56.25) | 0.692 | 0.405 |
| COPD(%) | 20 (9.90) | 18 (10.59) | 2 (6.25) | 0.568 | 0.451 |
| Chronic heart disease(%) | 58 (28.71) | 52 (30.59) | 6 (18.75) | 1.844 | 0.174 |
| Chronic kidney disease(%) | 42 (20.79) | 28 (16.47) | 14 (43.75) | 12.169 | < 0.001 |
| Cerebrovascular disease(%) | 52 (25.74) | 40 (23.53) | 12 (37.50) | 2.750 | 0.097 |
| Long-term indwelling catheter (%) | 26 (12.87) | 20 (11.76) | 6 (18.75) | 1.172 | 0.279 |
| Laboratory findings | |||||
| WBC(× 109/L) | 17.52 ± 8.79 | 16.94 ± 8.73 | 20.58 ± 8.60 | 2.170 | 0.031 |
| Hb(g/L) | 107.49 ± 13.09 | 108.33 + 12.70 | 103.06 ± 14.43 | 2.107 | 0.036 |
| Platelet(×109/L) | 140.55 ± 69.36 | 144.72 ± 67.92 | 118.38 ± 73.78 | 1.985 | 0.048 |
| CRP (mg/L) | 107.85 ± 61.32 | 107.25 ± 62.68 | 111.05 ± 54.32 | 0.321 | 0.748 |
| PCT (ng/mL) | 49.17 ± 58.05 | 43.85 ± 53.72 | 77.43 ± 71.67 | 3.065 | 0.002 |
| SCr (μmol/L) | 165.90 ± 148.94 | 148.86 ± 140.46 | 256.44 ± 161.96 | 3.877 | < 0.001 |
| TBil (μmol/L) | 12.64 ± 10.13 | 12.10 ± 8.14 | 15.47 ± 17.14 | 1.734 | 0.084 |
| Albumin (g/L) | 30.25 ± 3.08 | 30.56 ± 2.92 | 28.60 ± 3.41 | 3.388 | 0.001 |
| D-dimer (mg/L) | 6.36 ± 6.80 | 6.20 ± 7.23 | 7.25 ± 3.80 | 0.799 | 0.425 |
| Oxygenation index (mmHg) | 274.39 ± 79.71 | 281.87 ± 77.96 | 234.63 ± 78.25 | 3.143 | 0.002 |
| Lactate (mmol/L) | 3.66 ± 2.33 | 3.25 ± 1.98 | 5.83 ± 2.84 | 6.294 | < 0.001 |
| Mechanical ventilation(%) | 37 (18.3) | 25 (14.71) | 12 (37.50) | 9.352 | 0.002 |
| CRRT(%) | 26 (12.87) | 20 (11.76) | 6 (18.75) | 1.172 | 0.279 |
| ICU LOS (days) | 9.07 ± 2.66 | 9.17 ± 2.76 | 8.56 ± 2.00 | 1.176 | 0.241 |
| Hospital LOS (days) | 13.14 ± 4.40 | 13.77 ± 4.41 | 9.84 ± 2.44 | 4.882 | < 0.001 |
APACHE II Acute physiology and chronic health evaluation II, SOFA Sequential organ failure assessment, COPD Chronic obstructive pulmonary disorder, WBC White blood count, Hb Hemoglobin, CRP C-reactive protein, PCT Procalcitonin, SCr Serum creatinine, TBiL Total bilirubin; CRRT Continuous renal replacement therapy, LOS length of stay