Table 2. Mean colon lengths according to the surgical method of each hospital.
| A Hospital | B Hospital | C Hospital | ||||
| Surgery type | Group I Mean ± SD/Median (Max-Min) | Group II Mean ± SD/Median (Max-Min) | Group I Mean ± SD/Median (Max-Min) | Group II Mean ± SD/Median (Max-Min) | Group I Mean ± SD/Median (Max-Min) | Group II Mean ± SD/Median (Max-Min) |
| Anterior resection | 20.33 ± 6.32 | 18.00 ± 5.28 | 22.5 (± 13) | 22.6 (± 9.82) | 21 (± 6.8) | 20.5 (± 5.6) |
| Low anterior resection | 24.8 ± 10 | 19.6 (± 6.8) | 23.5 (± 10.5) | 18 (12-33) | 15 (6-42) | 23 (± 9.7) |
| Abdomino perineal resection | 25.5 ± 7.1 | - | 25.3 (± 8.7) | 30.4 (± 7.2) | - | - |
| Right hemicolectomy | 24.8 (15-128) | 29 (19-39) | 29.8 (± 11.2) | 27 (18-36) | 26 (± 11.2) | 23 (12-33) |
| Sigmoid + left hemicolectomy | 28.4 ± 8.8 | 18.9 (± 6.7) | 31.8 (± 11.3) | 24 (± 13.2) | 29.8 (± 7.4) | 24 (13-46) |
| Total length of colon-rectum segment | 25 (8-114) | 24.5 (8-145) | 25 (8-64.5) | 22.5 (12-36) | 23 (± 7.7) | 21.9 (± 7.7) |