Table 1:
Demographic and clinical variables by birth weight category
| <750 grams | 750–999 grams | 1000–1499 grams | All <1500 grams | |
|---|---|---|---|---|
| TOTAL | 60 (23%) | 84 (32%) | 121 (46%) | 265 (100%) |
| Demographics | ||||
| Female | 32 (53%) | 30 (36%) | 68 (56%) | 130 (49%) |
| Gestational age weeks | 24 (23,25) | 26 (25,28) | 29 (28,31) | 27 (25,29) |
| Birth weight grams | 650 (580,720) | 860 (810,942) | 1230 (1120,1375) | 961 (770,1200) |
| Clinical variables | ||||
| Apgar 1 minute | 3 (1,6) | 5 (3,7) | 6 (4,8) | 6 (2,7) |
| Apgar 5 minutes | 7 (4,8) | 7 (6,8) | 8 (7,8) | 7 (6,8) |
| Septicemia | 13 (22%) | 21 (25%) | 11 (9%) | 45 (17%) |
| Necrotizing enterocolitis | 1 (2%) | 10 (12%) | 4 (3%) | 15 (6%) |
| Respiratory Acuity Score at 32w | 1.18 (0.86,1.68) | 0.94 (0.67,1.3) | 0.31 (0,0.84) | 0.84 (0.22,1.16) |
| Therapy transition times | ||||
| CPAP discontinuation PMA | 34 (32,36) | 33 (31,35) | 31 (30,32) | 32 (31,34) |
| Caffeine discontinuation PMA | 35 (34,37) | 34 (33,36) | 32 (32,33) | 33 (32,35) |
| Room air PMA | 35 (33,37) | 34 (33,36) | 32 (31,33) | 33 (31,35) |
| Discharge home | ||||
| Discharge PMA | 39 (38,40) | 38 (36,39) | 36 (36,37) | 37 (36,39) |
| Discharged >= 40 weeks PMA | 22 (37%) | 19 (23%) | 6 (5%) | 47 (18%) |
| Discharged with oxygen | 35 (58%) | 34 (40%) | 14 (12%) | 83 (31%) |
Data shown as n (%) or median (25th, 75th percentile). CPAP continuous positive airway pressure; PMA postmenstrual age