Perinatal characteristics of ELBW children by functional classification; mean (SD) and range
| Severe/multiple disability (n=16) | Borderline IQ (IQ 70-84) (n=15) | Learning disorder (n=54) | No disability (n=30) | |
|---|---|---|---|---|
| Birthweight (g) | 714 (70) 580-800 | 728 (70) 560-800 | 731 (70) 520-800 | 741 (57) 580-800 |
| Gestational age (weeks) | 24.9 (1.4)5-150 23-29 | 27.2 (3.7) 23-38 | 25.7 (1.5) 23-30 | 26.4 (2.4) 23-34 |
| Ventilation (days) | 68 (32) 2-155 | 62 (39) 2-126 | 50 (26) 0-127 | 46 (33) 0-134 |
| Oxygen therapy (days) | 113 (51) 28-231 | 114 (122) 4-480 | 98 (68) 3-320 | 66 (36) 2-137 |
| NICU stay (days) | 141 (56) 51-254 | 128 (120) 7-500 | 110 (69) 43-417 | 92 (55) 23-255 |
↵5-150 Gestational age significantly smaller for severe/multiple disability group; P = 0.003.