TABLE 5.

Risks of MDI Scores Associated With Histologic Characteristics of the Placenta, Total Sample

Histologic Characteristic		< 55	55–69	≥70	Row N
Inflammation chorionic platea	Yes	9	12	79	159
	No	11	11	78	679
Inflammation external	Yes	12	10	78	295
membranesb	No	11	12	78	547
Neutrophil infiltration fetal stem	Yes	12	10	78	209
vessels	No	10	11	78	621
Umbilical cord vasculitisc	Yes	11	13	76	137
	No	11	11	79	682
Thrombosis of fetal stem vessels	Yes	23	5	73	40
	No	10	11	79	789
Infarct	Yes	9	15	75	142
	No	11	10	78	705
Increased syncytial knots	Yes	12	14	74	174
	No	11	10	79	676
Decidual hemorrhage/	Yes	11	12	77	129
Fibrin deposition	No	11	10	78	708
Maximum no. of placentas		94	94	669	857
Percent		11	11	78

These are row percents.

^aStage 3 and severity 3.

^bGrades 3 and 4.

^cGrades 3, 4, and 5.