Table 1.
Maternal Characteristics and Results of Prepregnancy 24-Hour Urine Collections.
| Valuea | |
|---|---|
| Maternal age, years | 30.3 (4.6) |
| Race | |
| Caucasian | 108 |
| Asian | 8 |
| Hispanic | 6 |
| African American | 5 |
| American Indian | 3 |
| Other | 4 |
| BMI, kg/m2 | 23.7 (4.7) |
| Cycle day, visit 1 | 9.2 (3.4) |
| Urine volume, mL | 2350 (1800-3075) |
| Urine creatinine, mg/dL | 47.2 (38.1-70.5) |
| Urine protein, mg/dL | 8 (6-10) |
| Urine protein: creatinine | 0.17 (0.08-0.26) |
| Urine protein, mg/24 h | 187.6 (102.8-280.0) |
| Above threshold (150 mg/24 h) | 63 |
| Above threshold (225 mg/24 h) | 40 |
Abbreviations: BMI, body mass index; SD, standard deviation.
aTabled values are mean (SD) or median (interquartile range [IQR]) unless otherwise specified.