TABLE 1.
Cohort characteristics
| Characteristics | Casesa (n = 30) | Controlsb (n = 30) | P valuec |
|---|---|---|---|
| Female Sex, No. (%) | 15 (50%) | 15 (50%) | |
| Birthweight, mean in kg (range) | 3.2 (1.5 to 4.3) | 3.1 (2.0 to 4.3) | 0.69 |
| Length-for-age z-scores | |||
| at birth, mean (range) | 0.04 (−6.25 to 6.40) | −0.21 (−1.96 to 2.60) | 0.62 |
| at 24 mo, mean (range) | −1.71 (−3.54 to −0.09) | −1.74 (−4.37 to 1.44) | 0.88 |
| Maternal age at birth, mean no. of years (range) | 27 (17 to 38) | 28 (17 to 45) | 0.36 |
| Gestational age at birth, mean no. of weeks (range) | 38 (33 to 45) | 39 (34 to 44) | 0.10 |
a
Cases: infants with at least one Shigella quantitative polymerase chain reaction (qPCR) positive sample.
b
Controls: infants with no Shigella qPCR positive samples.
c
P values are from unpaired t tests comparing the cases and the controls.