Table III.

Odds of having placental lesion (any of each group) among women with acute atherosis relative to those without, adjusting for gestational age at delivery

	Adjusted odd ratios	95% CI
Amniotic fluid infections	0.4	0.3	0.5
Maternal vascular underperfusion (excluding acute atherosis of basal plate arteries and/or decidual arterioles)	6.7	5.2	8.6
Fetal thrombo-occlusive disease	1.7	1.2	2.3
Any chronic inflammatory lesion (chronic chorioamnionitis, deciduitis or villitis of unknown etiology)*	2.0	1.3	3.0
Chronic chorioamnionitis	1.9	1.3	3.0
Chronic deciduitis	1.5	0.9	2.3
Villitis of unknown etiology	1.2	0.6	2.1

^*Restricted to patients enrolled in or beyond year 2010, when the presence or absence of chronic inflammatory lesions was universally recorded; adjusted odd ratios: adjusted for gestational age at delivery