Table 1 Subject characteristics
Gestational Age (weeks) | 23-27 | 28-31 | 32-34 | 35-36 | All preterrm | Term | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | n | % | n | % | |
n | 51 | 9% | 133 | 24% | 199 | 36% | 123 | 22% | 506 | 90% | 54 | 10% |
Male | 26 | 51% | 83 | 62% | 103 | 52% | 74 | 60% | 286 | 57% | 34 | 63% |
Female | 25 | 49% | 50 | 38% | 96 | 48% | 49 | 40% | 220 | 43% | 20 | 37% |
Diabetes | ||||||||||||
None | 50 | 98% | 113 | 85% | 187 | 94% | 114 | 93% | 464 | 92% | 52 | 96% |
Pre-existing | 1 | 2% | 8 | 6% | 6 | 3% | 3 | 2% | 18 | 4% | 1 | 2% |
Gestational | 0 | 0% | 12 | 9% | 6 | 3% | 6 | 5% | 24 | 5% | 1 | 2% |
Multiple Births | ||||||||||||
Single | 39 | 76% | 81 | 61% | 115 | 58% | 76 | 62% | 311 | 61% | 54 | 100% |
Twin | 12 | 24% | 41 | 31% | 77 | 39% | 43 | 35% | 173 | 34% | 0 | 0% |
Triplet | 0 | 0% | 11 | 8% | 7 | 4% | 4 | 3% | 22 | 4% | 0 | 0% |
Winter | 27 | 53% | 59 | 44% | 114 | 57% | 62 | 50% | 262 | 52% | 22 | 41% |
PIH | 1 | 2% | 22 | 17% | 31 | 16% | 14 | 11% | 68 | 13% | 1 | 2% |
SGA | 49 | 96% | 130 | 98% | 192 | 96% | 108 | 88% | 27 | 95% | 54 | 100% |
Beta-methasone | 41 | 80% | 114 | 86% | 113 | 57% | 19 | 15% | 287 | 57% | 0 | 0% |
Delivery | ||||||||||||
Vaginal | 24 | 47% | 51 | 38% | 97 | 49% | 52 | 42% | 224 | 44% | 38 | 72% |
Caesarean | 27 | 53% | 82 | 62% | 101 | 51% | 71 | 58% | 281 | 56% | 15 | 28% |