Table 5.

Adjusted associations vs supportive care (n = 589).

Strategy vs supportive	Adjusted β for dilation rate (cm/h) (95% CI)	P	Adjusted OR for cesarean (95% CI)	P	Adjusted OR for OASIS (95% CI)	P
Augmentation	0.134 (0.078–0.191)	<.001	0.92 (0.59–1.44)	.722	4.34 (0.42–45.19)	.220
Manual rotation	0.423 (0.358–0.488)	<.001	0.51 (0.32–0.80)	.004	2.42 (0.27–21.83)	.430
rOVD	0.244 (0.177–0.312)	<.001	0.80 (0.47–1.37)	.411	11.39 (0.62–209.52)	.102

BMI = body mass index, CI = confidence interval, OR = odds ratio, rOVD = rotational operative vaginal delivery.