Table 5.
Postoperative complications with age cut-off 50 ± 5 years
| No. of younger N (%) | No. of older N (%) | Total young | Total old | Chi-squared value | p value | |
|---|---|---|---|---|---|---|
| Leak | 65 (6.94) | 7 (5.56) | 937 | 126 | 0.336 | 0.562 |
| Stenosis | 72 (8.59) | 20 (12.27) | 838 | 163 | 2.212 | 0.137 |
| Ischaemic bowel | 3 (1.60) | 1 (3.57) | 188 | 28 | 0.523 | 0.469 |
| Ischaemic pouch | 2 (1.06) | 1 (3.57) | 188 | 28 | 1.119 | 0.290 |
| Abscess formation | 39 (9.40) | 9 (6.87) | 415 | 131 | 0.793 | 0.373 |
| Cutaneous fistula | 26 (6.27) | 4 (3.05) | 415 | 131 | 1.978 | 0.160 |
| Vaginal fistula | 11 (2.65) | 3 (2.29) | 415 | 131 | 0.052 | 0.820 |
| Other fistula | 4 (0.96) | 0 (0) | 415 | 131 | 1.272 | 0.259 |
| Small bowel obstruction | 143 (17.06) | 17 (10.43) | 838 | 163 | 4.473 | 0.034 |
| Pouch excision/failure | 210 (5.47) | 22 (4.80) | 3839 | 458 | 0.238 | 0.626 |
| Pouchitis | 172 (20.53) | 23 (14.11) | 838 | 163 | 3.580 | 0.058 |
| Mortality | 2 (0.17) | 2 (0.87) | 1164 | 229 | 3.289 | 0.070 |
Numbers in italics are statistically significant at P < 0.05