Table 2.
Single factor ANOVA of ODS and related factors.
| Subject parameter | OD symptoms | |||
|---|---|---|---|---|
| Yes (n = 120) | No (n = 159) | χ2 or t | P value | |
| Age (year) | 67.4 ± 10.3 | 63.8 ± 6.5 | 3.566 | 0.001 |
| BMI (kg/m2) | 25.4 ± 1.7 | 25.0 ± 2.6 | 1.55 | 0.144 |
| Parity (IQR) | 3 (2) | 2 (1) | 0.91 | 0.458 |
| Hysterectomy (n,%) | 25(21%) | 37(23%) | 0.235 | 0.628 |
| PVP* I | 13 (11%) | 17 (11%) | 0.005 | |
| II | 41 (34%) | 85 (53%) | 0.264 | |
| III | 53 (44%) | 50 (31%) | 0.434 | |
| IV | 13 (11%) | 7 (4%) | 0.159 | |
| Injury of LAM | yes | 103 (86%) | 111 (70%) | 0.002 |
| no | 17 (14%) | 48 (30%) | ||
| Hiatus area | 36.2 ± 9.69 | 33.3 ± 8.57 | 2.645 | 0.009 |
| Rectocele | 56 (47%) | 7 (4%) | 69.87 | <0.001 |
*PVP referred to posterior vaginal prolapse.