TABLE 1

Characteristics of women in the study and the influence of placental malaria on pregnancy outcomes

CharacteristicPM+ (n = 341)PM− (n = 1,036)P valueb
Age, yr (mean ± SD)24.3 ± 5.426.3 ± 5.8<0.0001
Gravidity (mean ± SD)2.7 ± 1.93.2 ± 2.1<0.0001
Placental parasitemia, % median (25th, 75th)0.8 (0.2, 3.1)0NA
Maternal hematocrit, % (mean ± SD)31.3 ± 6.234.9 ± 5.9<0.0001
Women with anemia, %a26.415.3<0.0001
Preterm deliveries, %a24.217.80.014
Infant birth weight, g (mean ± SD)2,922 ± 6563,134 ± 635<0.0001
Infant birth weight from full-term deliveries, g (mean ± SD)3,128 ± 5133,300 ± 488<0.0001
Low-birth-weight infants, %a21.614.00.0011
  • a These percentages were calculated for samples with available data.

  • b Twins and stillbirths were excluded from the comparisons for birth weight and preterm deliveries. Significant values (i.e., P < 0.05) are highlighted in bold. NA, not applicable.