Table 3.
Surgery related factors for AL
| Surgery related factors | Leakage (−), n = 88 | Leakage (+), n = 13 | p value |
|---|---|---|---|
| Intraoperative | |||
| Operation time (min), median [range] | 233 [151~438] | 263 [157~376] | 0.32 |
| Blood loss (ml), median [range] | 10 [0~180] | 15 [0~1115] | 0.15 |
| Lymph node dissection, n = No. (%) | |||
| D2 | 18 (20.5) | 1 (7.7) | 0.45 |
| D3 | 70 (79.5) | 12 (92.3) | |
| LCA preserving, n = No. (%) | |||
| Yes | 36 (40.9) | 4 (30.8) | 0.56 |
| No | 52 (59.1) | 9 (69.2) | |
| Mobilization of splenic flexure, n = No. (%) | |||
| Yes | 3 (3.4) | 1 (7.7) | 0.43 |
| No | 85 (96.6) | 12 (92.3) | |
| Number of linear staple, n = No. (%) | |||
| 1 | 66 (75.0) | 6 (46.1) | 0.046✝ |
| 2 | 22 (25.0) | 7 (53.9) | |
| Size of circular staple (mm), n = No. (%) | |||
| 25 | 7 (8.1) | 1 (7.7) | 1.00 |
| 29 | 80 (91.9) | 12 (92.3) | |
| Trans anal drain, n = No. (%) | |||
| Yes | 51 (58.0) | 8 (61.5) | 1.00 |
| No | 37 (42.0) | 5 (38.5) | |
| Qualified surgeon, n = No. (%) | |||
| Yes | 65 (73.9) | 11 (84.6) | 0.51 |
| No | 23 (26.1) | 2 (15.4) | |
| Postoperative | |||
| WBC (/μl) median [range] | |||
| POD1 | 8280 [2790~13,510] | 8340 [5640~12,440] | 0.069 |
| POD3 | 6975 [3220~15,450] | 8100 [3390~17,570] | 0.15 |
| CRP (mg/dl) median [range] | |||
| POD1 | 4.95 [1.61~12.7] | 4.43 [2.35~14.7] | 0.75 |
| POD3 | 6.86 [0.37~23.4] | 8.77 [1.24~34.6] | 0.036✝ |
| Fever (≧ 38 °C), n = No. (%) | |||
| POD1 | 40 (45.5) | 9 (69.2) | 0.14 |
| POD3 | 5 (5.7) | 7 (53.8) | < 0.0001✝ |
| Tachycardia (≧ 100 bpm), n = No. (%) | |||
| POD1 | 6 (6.8) | 4 (30.8) | 0.023✝ |
| POD3 | 7 (8.0) | 1 (8.0) | 1.00 |
| Watery stool, n = No. (%) | |||
| Yes | 34 [39.0] | 6 [50.0] | 0.54 |
| No | 53 [61.0] | 6 [50.0] | |
| First defecation day (POD), median [range] | 4 [1~13] | 2 [0~7] | 0.022✝ |
AL anastomotic leakage, LCA left colic artery, WBC white blood cell, CRP C-reactive protein, POD postoperative day
✝p < 0.05