PrePROBE (2004–2007) n = 11 | Early postPROBE (2008–2011) n = 20 | Late postPROBE (2012–2015) n = 29 | p-value | |
---|---|---|---|---|
Induction of labor, n (%) | 4 (36) | 3 (15) | 9 (31) | 0.94 |
Labor arrest, n (%) | 4 (36) | 12 (60) | 19 (66) | 0.12 |
Oxytocin infusion, n (%) | 9 (82) | 14 (70) | 22 (76) | 0.85 |
Instrumental delivery, n (%) | 6 (54) | 7 (35) | 5 (17) | 0.03 |
Anal sphincter injury n (%) | 2 (18) | 5 (25) | 5 (17) | 0.80 |