Table 1. Subject's descriptive characteristics.
| Variable* | Pooled (n = 45) | Group 1 (n = 25) | Group 2 (n = 20) | P a |
| Age (yr) | 43.8 (13.2) | 44.3 (11.2) | 43.2 (10.6) | 0.532 |
| Gender male | 82% | 80% | 85% | 0.716 |
| BMI | 21.2 (2.1) | 20.9 (2.3) | 21.6 (2.1) | 0.327 |
| Mortality [n (%)] | 8 (18) | 6 (24) | 2 (10) | 0.269 |
| Primary Disease [n] | ||||
| SAP | 11 | 5 | 6 | 0.5 |
| Selective Operation | 17 | 10 | 7 | 0.767 |
| Trauma | 11 | 7 | 4 | 0.729 |
| Necrotizing fasciitis | 2 | 2 | 0 | - |
| Others b | 4 | 1 | 3 | 0.309 |
| APACHE II (24 h) | 17.1 (1.7) | 17.3 (1.5) | 16.8 (1.7) | 0.128 |
| SAPS II (24 h) | 39.7 (9.1) | 40.2 (8.9) | 38.2 (10.3) | 0.088 |
| SOFA (24 h) | 9.8 (1.3) | 10.0 (1.1) | 9.6 (1.4) | 0.205 |
| C3 (mg/mL) | 0.70 (0.31) | 0.50 (0.18) | 0.95 (0.24) | <0.001 |
| C4 (mg/mL) | 0.13 (0.06) | 0.04 (0.03) | 0.25 (0.14) | <0.001 |
| CRP (mg/L) | 196.1 (35.7) | 217.3 (49.6) | 199.5 (31.3) | 0.074 |
| PCT (ng/mL) | 11.1 (2.9) | 11.3 (2.8) | 10.8 (3.1) | 0.126 |
| WBC (×109/L) | 16.1 (2.1) | 16.3 (2.0) | 15.8 (2.1) | 0.206 |
*
Data present as mean (SD) if no specific statement. BMI, body mass index; SAP, severe acute pancreatitis; APACHE II, acute physiology score and chronic health evaluation II; SAPS II, simplified acute physiology score II; SOFA, sequential organ failure assessment score; CRP, c-reactive protein; LOS, length of stay;
a
by Mann-Whitney U test or Fischer exact test;
b
include acute appendicitis, acute suppurative cholangitis, and acute gastric perforation.