Table 4.
Characteristics of primary closure patients.
| GroupA (n = 236) | GroupB (n = 58) | P | |
|---|---|---|---|
| Gender (M/F) | 101/135 | 29/28 | 0.372 |
| Age (years) | 56.5 ± 16.8 | 60.9 ± 13.3 | 0.064 |
| CBD size (mm) | 12.7 ± 3.7 | 14.1 ± 4.5 | 0.011 |
| Laboratory data | |||
| WBC (109/L) | 10.2 ± 3.6 | 10.8 ± 3.8 | 0.274 |
| AST (U/L) | 53.3 (35.5,84.0) | 51.6 (39.7,76.9) | 0.768 |
| ALT (U/L) | 61.8 (39.5,108.8) | 52.1 (35.7,76.5) | 0.147 |
| GGT (U/L) | 193 (81,370) | 188 (104,370) | 0.855 |
| Blood loss (ml) | 25 (20,30) | 30 (24,75) | 0.031 |
| Operative time (min) | 170.1 ± 58.5 | 175.9 ± 57.4 | 0.500 |
| Hospital stay (days) | 14.7 ± 4.9 | 14.7 ± 5.0 | 0.996 |
| Hospital expenses (WanRMB) | 3.64 ± 1.05 | 3.90 ± 1.42 | 0.117 |
| Postoperative complication | 31 | 6 | 0.566 |
| Biliary stricture | 1 | 1 | 0.356 |
| Wound complication | 2 | 2 | 0.176 |
| Bile leakage | 4 | 0 | 1.000 |
| Residual stones | 14 | 2 | 0.746 |
| Mortality | 0 | 1 | 0.197 |
GroupA, without previous abdominal surgery; GroupB, with previous abdominal surgery; WBC, blood cell count; AST, aspartate aminotransferase; ALT, alanine aminotransferase; GGT, gamma-glutamyltransferase. WanRMB, ten thousand renminbi.