Table 1.
Univariate analysis of predictive factors of SAP in 671 patients.
| Variable | No SAP (n = 611) | SAP (n = 60) | P values |
|---|---|---|---|
| Age (yr) | 47 (37, 63) | 51.5 (38.5, 66) | 0.1441 |
| Male (%) | 63.3 | 53.3 | 0.1270 |
| Biliary etiology (%) | 265 (43.4) | 19 (31.7) | |
| BMI (kg/m2) | 23.5 (21.1, 26.1) | 24.2 (22.1, 26.6) | 0.1041 |
| WBC (109/l) | 13.2 (10, 16.77) | 15.3 (11.09, 18.365) | 0.0185 |
| Hemoglobin (g/l) | 144 (129, 158) | 149.5 (136, 164.5) | 0.0722 |
| Platelet (109/l) | 198 (233, 160) | 172 (209.5, 134) | 0.0070 |
| Potassium (mmol/l) | 3.98 (3.70, 4.25) | 4.02 (3.65, 4.70) | 0.1443 |
| Sodium (mmol/l) | 139 (141, 136) | 137 (142, 133) | 0.1390 |
| Calcium (mmol/l) | 2.19 (2.28, 2.07) | 1.9 (2.195, 1.58) | <0.001 |
| BUN (mmol/l) | 4.7 (3.7, 5.9) | 7.45 (5.45, 11.95) | <0.001 |
| BUN (24 h) (mmol/l) | 4.6 (3.4, 6.2) | 9.4 (6.15, 12.35) | <0.001 |
| Scr (umol/L) | 64 (54, 76) | 82.5 (58, 157.5) | <0.001 |
| Scr (24 h) (umol/L) | 63 (52, 77) | 92 (66, 206.5) | <0.001 |
Single continuous variables as median and interquartile range (25th–75th percentiles).