Table 1 Background variables
Back-ground variables | All participants (N = 196) | Participants without clinical examination (N = 99) | Participants with injury to the anal sphincter (N = 9) | Participants with Intact anal sphincter (N = 88) | ||||
|---|---|---|---|---|---|---|---|---|
Median | IQR | Median | IQR | Median | IQR | Median | IQR | |
Age (years) | 31 | 8 | 31 | 8 | 32 | 11 | 31 | 8 |
BMI | 23.9 | 6.5 | 23.7 | 7.2 | 21.3 | 9.1 | 24.2 | 5.6 |
vaginal deliveries | 1.0 | 1 | 2.0 | 1 | 1.0 | 1 | 1.0 | 1 |
Months post-partum | 15.0 | 10 | 15.0 | 9 | 11.0 | 12 | 15.0 | 9 |
Birth-weight (grams) | 3550 | 680 | 3533 | 711 | 3280 | 410 | 3680 | 663 |
N (%) | 95% CI | N (%) | 95% CI | N (%) | 95% CI | N (%) | 95% CI | |
Instrumen-tal delivery | 28 (14.4) | 7.2 to 21.6% | 14 (13.3) | 6.0 to 27.1% | 2 (22.2) | 0.0 to 44.4% | 12 (13.6) | 6.8 to 20.5% |