Korean subgroup (mean ± SD) | Non-Korean subgroup (mean ± SD) | |||
---|---|---|---|---|
FCM (N = 45) | FS (N = 44) | FCM (N = 78) | FS (N = 80) | |
Birthweight, kg | 3.2 ± 0.4 | 3.2 ± 0.4 | 3.5 ± 0.5 | 3.5 ± 0.5 |
Birth length, cm | 49.6 ± 2.4 | 49.4 ± 2.5 | 51.6 ± 2.5 | 51.5 ± 2.9 |
Cord hemoglobin, g/dL | 14.9 ± 1.2 | 15.0 ± 1.3 | 14.7 ± 2.8 | 14.0 ± 2.0 |
Cord hematocrit, ratio | 0.5 ± 0.1 | 0.5 ± 0.1 | 0.5 ± 0.1 | 0.5 ± 0.1 |
Cord serum ferritin, μg/L | 269 ± 139 | 227 ± 117 | 242 ± 225 | 248 ± 155 |
1-min Apgar | 9.5 ± 0.8 | 9.0 ± 1.4 | 8.2 ± 0.7 | 8.1 ± 1.3 |
5-min Apgar | 9.4 ± 0.6 | 9.1 ± 0.8 | 9.0 ± 0.6 | 8.9 ± 0.8 |