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Table 4 Surgery-related factor (Male)

From: Male sex and history of ischemic heart disease are major risk factors for anastomotic leakage after laparoscopic anterior resection in patients with rectal cancer

Parameter Anastomotic leakage (+) Anastomotic leakage (−) p
n = 18 n = 82
Type of operation    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    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    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