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Table 1 Basic characteristics of the case and controls

From: Rubella, herpes simplex virus type 2 and preeclampsia

Variable Cases (n = 90) Controls (n = 90) P
Mean(SD)
 Age, years 28.0 (5.6) 28.1 (4.7) 0.909
 Parity 2.7 (1.5) 2.5 (1.6) 0.349
 Gestational age, weeks 37.1 (1.9) 37.4 (1.3) 0.190
 Body mass index, Kg/m2 25.6 (4.4) 24.3 (2.3) 0.012
 Hemoglobin, g/dl 10.3 (1.4) 11.0 (1.3) 0.001
Number (%)
 Educational level < secondary 76 (84.4) 72 (80.0) 0.293
 Housewives 84 (93.3) 82 (91.1) 0.799