Table 1.
Demographics of study groups defined by third-trimester maternal serum 25 hydroxycholecalciferol status at cutoff 32 ng/mL
| Variables | ≤32 ng/mL (total = 27) N (%) | >32 ng/mL (total = 20)N (%) | P value |
|---|---|---|---|
| Fetal sex | |||
| Female | 12 (44.4) | 9 (45) | NS |
| Male | 15 (55.6) | 11 (55) | NS |
| Mean gram birth weight (SD) | 3049 (546) | 3313 (594) | NS |
| Birth weight < 10th | 6 (22.2) | 3 (15) | NS |
| Birth weight > 90th | 1 (3.7) | 2 (10) | NS |
| Mean placental grams (SD) | 454 (74) | 490 (128) | NS |
| Placental weight < 10th | 3 (11.11) | 3 (15) | NS |
| Placental weight > 90th | 2 (7.4) | 2 (10) | NS |
| F/P ratio mean (SD) | 6.7 (1.4) | 7.1 (0.9) | NS |
| F/P ratio < 10th | 2 (7.4) | 2 (10) | NS |
| F/P ratio > 90th | 1 (3.7) | 0 (0) | NS |
| Birth < 37 weeks | 3 (11.1) | 1 (5) | NS |
| Mean delivery week (SD) | 38.3 (1.5) | 39.2 (1.5) | NS |
| Cesarean delivery Vaginal delivery | 16 (59.3) 11 (40.7) | 5 (25.0) 15 (75.0) | NS NS |
| Asthma diagnosis by age three | 6 (22.2) | 1 (5.0) | NS |
P > .05.
Abbreviations: NS, not significant, F/P ratio, fetoplacental weight ratio.