TABLE 3.

The aspirin effect on pregnancy outcomes initiated at or before 16 weeks of gestation in women with stage 1 hypertension or normotension

	Normotension				Stage 1 hypertension
	Control 95	Aspirin 95	aOR (95% CI)	p value	Control 49	Aspirin 44	aOR (95% CI)	p value
Preeclampsia, n (%)	6 (6.3)	4 (4.2)	0.511 (0.121–2.159)	.361	10 (20.4)	2 (4.5)	0.139 (0.027–0.716)	.018
Delivery at <37 gestational weeks	4 (4.2)	1 (1.1)	0.247 (0.026–2.344)	.223	5 (10.2)	1 (2.3)	0.105 (0.010–1.137)	.064
Delivery at ≥37 gestational weeks	2 (2.1)	3 (3.2)	1.095 (0.147–8.176)	.929	5 (10.2)	1 (2.3)	0.184 (0.020–1.703)	.136
Preterm birth, n (%)	17 (17.9)	10 (10.5)	0.506 (0.212–1.210)	.126	9 (18.4)	2 (4.5)	0.141 (0.025–0.782)	.025
Placental abruption, n (%)	9 (9.5)	9 (9.5)	1.030 (0.384–2.760)	.953	3 (6.1)	4 (9.1)	2.076 (0.346–12.457)	.424
Postpartum hemorrhage, n (%)	9 (9.5)	9 (9.5)	0.871 (0.312–2.437)	.793	1 (2.0)	4 (9.1)	6.264 (0.602–65.171)	.125
SGA (<10th percentile), n (%)	5 (5.3)	9 (9.5)	2.101 (0.668–6.608)	.204	4 (8.2)	2 (4.5)	0.489 (0.082–2.904)	.431

Abbreviations: aOR, adjusted odds ratio, adjusted for maternal age, prepregnancy body mass index, nulliparity; CI, confidence interval; NA, not applicable; SGA, small for gestational age.