Table 5.

Reasons for discontinuation of study medication. Values are numbers (percentages) unless stated otherwise

Reason for discontinuation of study medication	Study population
	Discontinued (n=607)	Continued (n=591)	P value
Slow labour progress in accordance with protocol	183 (30.1)	75 (12.7)	<0.001
Slow labour progress not in accordance with protocol	67 (11.0)	26 (4.4)	<0.001
Uterine tachysystole or FHR abnormalities	29 (4.8)	58 (9.8)	0.002
Other (pyrexia, meconium stained amniotic fluid) not in accordance with protocol	32 (5.3)	38 (6.4)	0.42
Total	311 (51.2)	197 (33.3)	<0.001

FHR=fetal heart rate.