Table 2.
Univariate analysis of risk factors for major low anterior resection syndrome (LARS).
| Factor | ODDS ration | P | 95% CI |
|---|---|---|---|
| Gender | |||
| Male | 1 | 0.442 | 0.62–3.04 |
| Female | 1.37 | ||
| Part of rectum affected | |||
| Upper 1/3 | 0.4 | 0.13–1.23 | |
| Middle 1/3 | 0.86 | 0.165 | |
| Lower 1/3 | 1 | ||
| Age | |||
| < 62 years | 0.52 | 0.117 | 0.23–1.18 |
| > 62 years | 1 | ||
| Overal postoperative complications | |||
| No | 0.97 | 0.95 | 0.37–2.56 |
| Yes | 1 | ||
| Overall comorbidities | |||
| No | 1.3 | 0.522 | 0.58–2.9 |
| Yes | 1 | ||
| Type of anastomosis | |||
| End to end | 2.37 | 0.64–8.8 | |
| No data | 2.89 | 0.165 | 0.6–13.6 |
| Side to end | 1 | ||
| pTNM | |||
| Tis | 0.5 | 0.23–11.1 | |
| T1 | 0.5 | 0.45–5.5 | |
| T2 | 0.35 | 0.89 | 0.37–3.31 |
| T3 | 0.48 | 0.54–4.3 | |
| T4 | 1 | ||
| Nodular involvement | |||
| Yes | 1.74 | 0.21 | 0.73–4.02 |
| No | 1 | ||
| Preventive ileostomy | |||
| Yes | 1 | 0.065 | 0.93–11.95 |
| No | 3.33 | ||
| Neoadjuvant therapy | |||
| Yes | 2.82 | 0.016 | 1.22–6.53 |
| No | 1 | ||