Table 2. Neonatal Outcomes.
| Spontaneous N=523 |
Fertility Treatment N=62 |
P-value | |
|---|---|---|---|
| Female sex, n(%)1 | 226 (43.3) | 32 (51.6) | 0.21 |
| Birth weight, grams2 | 2597 (584) | 2570 (649) | 0.73 |
| Size for Gestational Age, n(%)3 | 0.78 | ||
| Appropriate for Gestational Age | 344 (80.6) | 39 (84.8) | |
| Large for Gestational Age | 15 (3.5) | 1 (2.2) | |
| Small for Gestational Age | 68 (15.9) | 6 (13.0) | |
| 1 minute Apgar, n(%) | 0.02 | ||
| 0-3 | 11 (2.1) | 5 (8.1) | |
| 4-6 | 49 (9.5) | 8 (12.9) | |
| 7-10 | 456 (88.4) | 49 (79.0) | |
| 5 minute Apgar, n(%) | 0.37 | ||
| 0-3 | 2 (0.4) | 1 (1.6) | |
| 4-6 | 11 (2.1) | 2 (3.3) | |
| 7-10 | 505 (97.5) | 58 (95.1) | |
| Length of hospital stay, days4 | 2.9 (2.1-4.6) | 4.0 (2.9-6.5) | 0.0008 |
| NICU admission, n(%)3 | 149 (28.5) | 31 (50) | 0.001 |
| Any Respiratory Support, n(%) | 61 (11.7) | 16 (25.8) | 0.002 |
| Maximum Respiratory Support, n(%) | |||
| Supplemental O2 | 23 (4.4) | 4 (6.5) | 0.466 |
| CPAP | 19 (3.6) | 6 (9.7) | 0.026 |
| IMV | 19 (3.6) | 6 (9.7) | 0.026 |
| Surfactant, n(%) | 13 (2.5) | 5 (8.1) | 0.016 |
| Infection, n(%) | 6 (1.2) | 0 | 0.40 |
| Hypoglycemia, n(%) | 16 (3.1) | 3 (4.8) | 0.46 |
| Feeding difficulties, n(%) | 25 (4.8) | 1 (1.6) | 0.25 |
| Hyperbilirubinemia, n(%) | 63 (12.1) | 17 (27.4) | 0.001 |
| Seizures, n (%) | 2 (0.3) | 0 | 0.63 |
1
Categorical variables are represented as frequency (proportion). P-values derived by Chi-square test.
2
Continuous variables are represented as mean (standard deviation) unless otherwise specified.P-values derived by student t-test.
3
Data available for 473 observations.
4
Data represented as median (interquartile range). P-value derived by Wilcoxon ranksum test.