| Couder group (n = 101) | Control group (n = 98) | p-value |
---|---|---|---|
Posterior perineum: | |||
 - Intact perineum | 21 (20.8%) | 14 (14.3%) | NS |
 - First degree | 71 (70.3%) | 55 (56.1%) | 0.03 |
 - Second degree | 9 (8.9%) | 29 (29.6%) | <0.001 |
Anterior perineum: | 44 (43.6%) | 36 (36.7%) | NS |
 - Labial tears | 38 (86.4%) | 32 (88.9%) | |
 - periurethral tears | 6 (13.6%) | 4 (11.1%) |