TABLE 3.
Comparison of pregnancy outcomes in women with and without antibodies to FV2a
| Clinical outcome, unit | PM+ (n = 328) |
PM− (n = 1,014) |
||||
|---|---|---|---|---|---|---|
| FV2 Ab+ (n = 184) | FV2 Ab− (n = 144) | P value | FV2 Ab+ (n = 334) | FV2 Ab− (n = 680) | P value | |
| Placental parasitemia, % median (25th, 75th) | 0.5 (0.1, 1.9) | 1.7 (0.3, 9.9) | <0.0001 | 0 | 0 | NA |
| Maternal hematocrit, % (mean ± SD) | 31.4 ± 5.9 | 31.3 ± 6.3 | 0.87 | 34.2 ± 5.5 | 35.1 ± 6.0 | 0.022 |
| Women with anemia, %b | 24.5 | 29.2 | 0.18 | 15.8 | 12.1 | 0.021 |
| Preterm deliveries, %b | 16.9 | 27.1 | 0.022 | 20.4 | 14.2 | 0.014 |
| Infant birth weight, g (mean ± SD) | 3,059 ± 578 | 2,807 ± 661 | 0.0005 | 3,147 ± 624 | 3,148 ± 624 | 0.99 |
| Infant birth weight from full-term deliveries, g (mean ± SD) | 3,194 ± 484 | 3,067 ± 484 | 0.052 | 3,319 ± 477 | 3,305 ± 480 | 0.72 |
| Infant birth weight from preterm deliveries, g (mean ± SD) | 2,493 ± 632 | 2,233 ± 651 | 0.097 | 2,587 ± 713 | 2,432 ± 665 | 0.17 |
| Low-birth-weight infants, %b | 13.0 | 27.1 | 0.0014 | 13.5 | 12.5 | 0.64 |
a
Significant values (i.e., P < 0.05) are highlighted in bold. NA, not applicable.
b
These percentages were calculated for samples with available data.