17OHP concentrations (nmol/l) in preterm infants according to birthweight groups
| Age (days) | Birthweight (g) Mean (SD) | ||
|---|---|---|---|
| 500–1000 n=6 | 1001–1500 n=24 | 1501–2000 n=36 | |
| 1 | 249.6 (143.8) | 101.9 (55.5) | 86.4 (36.7) |
| 7 | 171.3 (71.4) | 51.6 (35.1) | 47.4 (28.0) |
| 14 | 67.0 (33.0) | 43.2 (23.7) | 38.7 (13.5) |
| 21 | 44.2 (13.1) | 37.5 (15.4) | 42.5 (18.5) |
| 28 | 41.6 (13.3) | 46.1 (18.7) | 45.7 (21.0) |
| 45 | 29.6 (6.9) | 40.4 (12.4) | 33.1 (17.0) |
| 60 | 34.4 (30.2) | 28.8 (8.2) | 22.5 (14.0) |
| 90 | 31.8 (2.1) | 20.9 (12.5) | 15.9 (6.3) |