Table 1 Baseline characteristics and obstetric data
| Patients | Controls | P value | |||
|---|---|---|---|---|---|
| Median | IQR | Median | IQR | ||
| Age (years) | 30.0 | 8.5 | 31 | 5.5 | 0.553 |
| Time since delivery (days) | 214 | 47.5 | 244 | 190 | 0.812 |
| Body mass index (kg/m2) | 25.1 | 7.8 | 24.6 | 3.9 | 0.584 |
|
OWLS n |
OWLS % |
OWLS n |
OWLS % | ||
| Parity | 0.504 | ||||
| Primipara | 21 | 45.7 | 15 | 38.5 | |
| Multipara | 25 | 54.3 | 24 | 61.5 | |
| Mode of delivery | 0.704 | ||||
| Unassisted | 36 | 78.3 | 33 | 84.6 | |
| Vacuum extraction | 1 | 2.2 | 1 | 2.6 | |
| Cesarean section | 9 | 19.6 | 5 | 12.8 | |
| Perineal injuries | 0.391 | ||||
| Grades 0–2 | 43 | 93.5 | 38 | 97.4 | |
| Grades 3–4 | 3 | 6.5 | 1 | 2.6 | |
| Smoking during pregnancy | 0.034 | ||||
| No | 41 | 89.1 | 39 | 100 | |
| Yes | 5 | 10.9 | 0 | 0 | |
| Use of contraception | 0.167 | ||||
| No contraception | 30 | 65.2 | 20 | 51.3 | |
| Combined method (pills or patch) | 4 | 8.7 | 4 | 10.3 | |
| Gestagen only (pills, implants) | 3 | 6.5 | 0 | 0.0 | |
| Hormonal IUD | 6 | 13 | 12 | 30.8 | |
| Copper IUD | 3 | 6.5 | 3 | 7.7 | |