TABLE 3.

PREVALENCE (%) OF HYPERTENSION, ADJUSTED FOR AGE AND SEX, ACCORDING TO PLACENTAL AREA AND MOTHER’S HEIGHT

Placental Measurement	Mother’s height (cm)
	≤160		>160
	Prevalence	Cases	Prevalence	Cases
Weight (g)
−550	39	100	39	59
−650	31	114	32	69
−750	33	84	30	63
>750	24	39	34	52
p for trend*	<0.0001		0.4
p for interaction	0.10
Area (cm2)
−200	38	47	36	27
−240	34	102	30	52
−280	32	85	31	60
−320	33	74	34	62
>320	21	26	39	41
p for trend	0.0007		0.88
p for interaction	0.02
Lesser Diameter (cm)
−15	37	105	33	56
−16	30	55	30	37
−17	33	60	27	32
−18	33	67	37	59
>18	24	47	37	58
p for trend*	0.0009		0.95
p for interaction	0.002
Maximal Diameter (cm)
−15	36	67	36	33
−16	35	77	35	46
−17	26	42	26	28
−18	35	91	32	70
>18	27	57	36	65
p for trend*	0.01		0.6
p for interaction	0.2

^*adjusted for age, sex and adult waist circumference