Table 1.

Study Population Demographics

N (%)Mean (range)SD
Ethnicity
    Caucasian82 (72)
    African American14 (14)
    Asian4 (4)
    Hispanic10 (9)
    Not reported1 (1)
Age25 (17–37)5
Body mass index (kg/m2)24 (16–50)5
Gravity2 (0–5)1
Parity0.70.9