Table 3 Logistic regression analysis of the predictive factors for presence of high-grade (III–V) rectal prolapse
| Predictor | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| Feeling of prolapse | 21.71 | 4.43–106.30 | < 0.001 | 23.88 | 4.43–128.78 | < 0.001 |
| Fecal incontinence | 4.00 | 1.65–9.70 | 0.002 | |||
| Past hysterectomy | 4.56 | 1.19–17.55 | 0.027 | |||
| Maximum resting pressure (mmHg) | 0.98 | 0.97–0.99 | 0.015 | |||
| Mean resting pressure (mmHg) | 0.97 | 0.95–0.99 | 0.012 | |||
| Maximum squeezing pressure (mmHg) | 0.99 | 0.98–0.99 | 0.012 | |||
| Absent or impaired RAIR | 4.92 | 2.00–12.11 | 0.001 | 5.36 | 1.91–15.04 | 0.001 |
| Anal vector volume at rest (mmHg2cm) | 1.00 | |||||
| Anal vector volume at squeeze (mmHg2cm) | 1.00 | |||||