Table 3.
Puborectalis muscle area (PMA) in relation to SUI during pregnancy and after delivery
| Gestational age and maneuver (n) | Women with SUI | Women without SUI | p value | ||
|---|---|---|---|---|---|
| n (%) | PMA (cm2) mean ± SD | n (%) | PMA (cm2) mean ± SD | ||
| 12 weeks (253) | 44 (17.4) | 209 (82.6) | |||
| Rest (245) | 44 | 5.9 ± 1.4 | 201 | 5.6 ± 1.3 | 0.12 |
| Contraction (235) | 42 | 5.5 ± 1.2 | 193 | 5.0 ± 1.2 | 0.11 |
| Valsalva (222) | 38 | 6.0 ± 1.5 | 184 | 5.8 ± 1.3 | 0.32 |
| 36 weeks (235) | 112 (47.7) | 123 (52.3) | |||
| Rest (219) | 104 | 5.9 ± 1.4 | 115 | 5.8 ± 1.2 | 0.82 |
| Contraction (207) | 97 | 5.4 ± 1.2 | 110 | 5.2 ± 1.3 | 0.27 |
| Valsalva (194) | 89 | 6.6 ± 1.5 | 105 | 6.2 ± 1.3 | 0.10 |
| 6 months after delivery (244) | 90 (36.9) | 154 (63.1) | |||
| Rest (230) | 87 | 5.6 ± 1.2 | 143 | 5.4 ± 1.5 | 0. 43 |
| Contraction (192) | 69 | 5.2 ± 1.2 | 123 | 4.8 ± 1.4 | 0.10 |
| Valsalva (191) | 72 | 5.9 ± 1.4 | 119 | 5.9 ± 1.5 | 0.86 |