. Author manuscript; available in PMC: 2017 Feb 21.

Published in final edited form as: Curr Med Res Opin. 2016 May 20;32(8):1435–1440. doi: 10.1080/03007995.2016.1181619

Table 5.

Secondary outcomes: motor block and delivery mode.

	CEI 5 mL/hr (n=262)	PIEB 5 mL/60 min (n=162)	PIEB 3 mL/30 min (n=104)	p-value

Lowest Bromage scale score^*	4.0 [3.0–5.0]	5.0 [3.0–5.0]	4.0 [3.0–5.0]	0.14

Delivery mode				0.55
Spontaneous vaginal	212 (80.9%)	136 (84.0%)	83 (79.8%)
Assisted vaginal	18 (6.9%)	8 (4.9%)	4 (3.9%)
Cesarean	32 (12.2%)	18 (11.1%)	17 (16.4%)

Data presented as median [interquartile range] or n (% of column). CEI = continuous epidural infusion, PIEB = programmed intermittent epidural bolus.

Not all patients had Bromage scale scores documented: CEI (n=176), PIEB 60 (n=116), PIEB 30 (n=63)