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Table 3 Systolic and diastolic blood pressure before and during early pregnancy, according to presence of placental malperfusion lesions, mean and SD

From: Pre-conception blood pressure and evidence of placental malperfusion

 No MalperfusionMalperfusion 
n = 47n = 49p
SBP, pre-pregnancy117.3 (12.6)114.3 (10.6)0.22
SBP, pregnancy115.6 (10.6)111.7 (9.3)0.35
SBP difference (prepregnancy-pregnancy)2.2 (15.4)1.9 (15.7)0.93
DBP, pre-pregnancy74.3 (10.1)71.7 (8.2)0.18
DBP, pregnancy69.3 (8.3)70.1 (7.3)0.60
DBP difference (prepregnancy-pregnancy)5.0 (11.9)1.6 (10.1)0.15
GA at prenatal visit, weeks (95% CI)10.0 (8.8, 11.2)9.4 (8.1, 10.7)0.52
Preconception interval, months (95% CI)7.9 (5.7, 10.1)10.0 (7.3, 12.7)0.22