Table 2.
Comparison between fetuses with and without neonatal RDS
| Fetuses with RDS (n = 26) | Fetuses without RDS (n = 44) | p value | |
|---|---|---|---|
| Maternal data | |||
| Maternal age (mean) | 31.54 ± 6.95 | 31.57 ± 5.99 | 0.985a |
| Nulli (no. (%)) | 10 (38.5%) | 20 (45.5%) | 0.568b |
| Risk factor (no. (%)) | 5 (19.2%) | 6 (13.6%) | 0.702b |
| DM | 3 (11.5%) | 10 (22.7%) | |
| HTN and preeclampsia | 6 (23.1%) | 6 (13.6%) | |
| PROM | 3 (11.5%) | 8 (18.2%) | |
| Placenta previa | 6 (23.1%) | 8 (18.2%) | |
| DM + PROM | 3 (11.5%) | 6 (13.6%) | |
| HTN + PROM | |||
| Mode of delivery (no. (%)) | 0.164b | ||
| VD | 8 (30.8%) | 21 (47.7%) | |
| CS | 18 (69.2%) | 23 (52.3%) | |
| Mean GA at delivery (weeks) | 34.90 ± 0.67 | 35.71 ± 1.00 | < 0.001*a |
| Age by category (no. (%)) | 0.026*b | ||
| Early preterm | 16 (61.5%) | 14 (31.8%) | |
| Late preterm | 8 (30.8%) | 17 (38.6%) | |
| Early term | 2 (7.7%) | 13 (29.5%) | |
| US measurements | |||
| EFW mean (kg) | 2.122 ± 0.301 | 2.808 ± 0.452 | < 0.001*a |
| Mean AFI (cm) | 12.31 ± 5.59 | 15.59 ± 4.99 | 0.013*a |
| AF category (no. (%)) | 0.041*b | ||
| Oligohydramnios | 8 (30.8%) | 4 (9.1%) | |
| Average | 16 (61.5%) | 31 (70.5%) | |
| Polyhydramnios | 2 (7.7%) | 9 (20.5%) | |
| Neonatal data | |||
| Male (no. (%)) | 15 (57.7%) | 21 (47.7%) | 0.420b |
| NBW mean (kg) | 2.165 ± 0.305 | 2.850 ± 0.452 | < 0.001*a |
| Apgar 1 min (median (range)) | 6 (4–7) | 7 (6–10) | < 0.001*c |
| Apgar 5 min (median (range)) | 6 (5–7) | 9 (7–10) | < 0.001*c |
| Apgar 5 min < 7 (no. (%)) | 20 (76.9%) | 0 | < 0.001*b |
| NICU (no. (%)) | 26 (100%) | 3 (6.8%) | < 0.001*b |
*Significant
aIndependent t test
bChi-square test
cMann–Whitney U test