Randomized Comparison of Isosorbide Mononitrate and PGE2 Gel for Cervical Ripening at Term including High Risk Pregnancy

Table 3

Comparison of labour and delivery characteristics.

Variable	IMN; 𝑁=100	PGE2; 𝑁=100	𝑡 value	𝑃 value	95% confidence interval
					Lower	Upper
Bishop score at 24 hrs^a (posttreatment)	5.41±1.85	6.07±1.52	−2.75	0.006	−1.13	−0.18
Change in Bishop score^a	3.20±1.61	3.87±1.46	−3.07	0.002	−1.09	−0.24
Labour delivery interval (hours)^a	7.34±5.51	4.53±3.97	4.13	<0.001	1.47	4.15
Initiation of treatment-delivery interval (hours)^a	30.78±17.29	13.37±10.67	8.36	<0.001	12.98	20.99

aValues are given as mean ± standard deviation.