Table 4 Surgery-related factor (Male)
Parameter | Anastomotic leakage (+) | Anastomotic leakage (−) | p |
|---|---|---|---|
n = 18 | n = 82 | ||
Type of operation | Â | Â | 0.06 |
 High anterior resection | 1 (6) | 22 (27) |  |
 Low anterior resection | 17 (94) | 60 (73) |  |
High tie, n (%) | 9 (50) | 55 (67) | 0.19 |
D | Â | Â | 0.40 |
 2 | 7 (39) | 23 (28) |  |
 3 | 11 (61) | 59 (72) |  |
LN harvested, mean, mean ± SD (median, range) | 13.8 ± 5.3 (13, 5–23) | 15.9 ± 7.6 (15, 2–38) | 0.44 |
LN metastasized, mean, mean ± SD (median, range) | 1.4 ± 2.7 (0, 0–11) | 1.3 ± 2.7 (0, 0–15) | 0.92 |
Cur | Â | Â | 0.28 |
 A | 14 (78) | 71 (87) |  |
 B | 0 (0) | 4 (5) |  |
 C | 4 (22) | 7 (8) |  |
Number of stapler firings, mean ± SD (median, range) | 1.5 ± 0.5 (1, 1–2) | 1.3 ± 0.5 (1, 1–3) | 0.19 |
Number of stapler firings, ≥ 2 times (%) | 9 (50) | 27 (32) | 0.19 |
Air leak test, n (%) | 15 (83) | 69 (84) | 1.00 |
Air leak, air leak / air leak test (%) | 1/15 (7) | 1/69 (1) | 0.33 |
Operative time, min, mean ± SD (median, range) | 332 ± 118 (312, 160–631) | 294 ± 90 (267, 156–692) | 0.20 |
Post meridiem operation, n (%) | 5 (28) | 10 (12) | 0.14 |
Operative blood loss, ml, mean ± SD (median, range) | 131 ± 169 (60, 0–560) | 86 ± 143 (30, 0–995) | 0.22 |
Blood transfusion, n (%) | 1 (6) | 3 (4) | 0.55 |
Temporary loop ileostomy, n (%) | 2 (11) | 11 (13) | 1.00 |
Placement of transanal drain, n (%) | 11 (61) | 29 (35) | 0.06 |
Postoperative stay, day, mean ± SD (median, range) | 36.2 ± 19.4 (29, 10–77) | 11.1 ± 4.7 (10, 7–34) | < 0.01 |