Table 4.
Variables | Intra (n = 2345) | Extra (n = 2455) | P value1 |
Sex | 0.118 | ||
Male | 1453 (61.96) | 1467 (59.76) | |
Female | 892 (38.04) | 988 (40.24) | |
Age (yr) | 0.110 | ||
≤ 65 | 1716 (73.18) | 1846 (75.19) | |
> 65 | 629 (26.82) | 609 (24.81) | |
BMI (kg/m2) | < 0.001 | ||
≤ 25 | 1490 (63.54) | 1835 (74.75) | |
> 25 | 855 (36.46) | 620 (25.25) | |
Resection | < 0.001 | ||
Distal | 2018 (86.06) | 2200 (89.61) | |
Total | 327 (13.94) | 255 (10.39) | |
Combined OP | 0.958 | ||
None | 2214 (94.41) | 2317 (94.38) | |
Yes | 131 (5.59) | 138 (5.62) | |
Event during OP | 0.002 | ||
None | 2321 (98.98) | 2402 (97.84) | |
Yes | 24 (1.02) | 53 (2.16) | |
Number of comorbidities | < 0.001 | ||
0 | 1477 (62.99) | 1719 (70.02) | |
1 | 588 (25.07) | 549 (22.36) | |
2 and more | 280 (11.94) | 187 (7.62) | |
ASA | < 0.001 | ||
1 | 1404 (59.87) | 1621 (66.03) | |
2 | 822 (35.05) | 727 (29.61) | |
3 | 119 (5.07) | 107 (4.36) | |
Abd OP history | 0.008 | ||
None | 1949 (83.11) | 2108 (85.87) | |
Yes | 396 (16.89) | 347 (14.13) | |
TNM stage | < 0.001 | ||
I | 2066 (88.10) | 2314 (94.26) | |
II | 197 (8.40) | 117 (4.77) | |
III | 82 (3.50) | 24 (0.98) |
χ2 test. Intra: Intracorporeal anastomosis; Extra: Extracorporeal anastomosis; BMI: Body mass index; OP: Operation; ASA: American Society of Anesthesiologists; Abd: Abdominal.