Table 3.

Maternal outcome between both groups

Gestational age (wk)	Nif + SC	Nif	P-value	OR (95% CI)
< 28	3 (4.7)	5 (8.0)	0.53 $\ne$	1.8 (0.5-6.6)
28-32	7 (11.1)	12 (19.0)	0.03*	2.3 (1.1-5.0)
> 32	53 (84.2)	46 (73.0)	0.10*	0.5 (0.2-1.2)
Data presented as n (%), *Chi-square, $\ne$ : Fisher's exact, Nif: Nifedipine, SC: Sildenafil, OR: Odds ratio, CI: Confidence interval