Table 4 Multivariate logistic regression analysis of the association between the factors and stenosis in non-preoperative radiotherapy
Variables | Stenosis | No stenosis | OR | 95% CI | P value |
|---|---|---|---|---|---|
Age (y) | |||||
 Mean ± SD | 61.5 ± 10.8 | 57.8 ± 10 | 0.999 | 0.979–1.020 | 0.936 |
Tumor location, n (%) | 0.972 | 0.622–1.518 | 0.899 | ||
 ≤ 5 cm to anus | 11 (26.8%) | 59 (11.7%) | |||
 > 5 cm to anus | 30 (73.2%) | 445 (88.3%) | |||
Stoma, n (%) | 2.533 | 1.438–4.463 | 0.001* | ||
 No | 22 (19.3) | 115 (35.4) | |||
 Yes | 92 (80.7) | 210 (64.6) | |||
Surgery, n (%) | 0.795 | 0.493–1.281 | 0.345 | ||
 Open | 24 (58.5) | 417 (82.7) | |||
 Laparoscopic | 17 (41.5) | 87 (17.3) | |||