Table 2.
Average age and weight at treatment initiation
| Subgroup | Post conception age at birth (SE) | Chronological age at start of administration (SE) | Adjusted chronological age* | Weight in g (upper and lower CI) |
|---|---|---|---|---|
| CHD babies§ |
38.50 (0.10)‡ |
26.60 (0.8) |
25.10 |
6,649 (6,257; 7,041) |
| CLD babies |
29.00 (0.11)‡ |
23.12 (0.68) |
14.13 |
4, 833 (4,084; 4,527) |
| Preterm: <29 wGA |
29.00 (3.70†)‡ |
15.40 (0.51) |
4.40 |
3,709 (3,503; 3,915) |
| Preterm: 29–32 wGA |
30.50 (3.89†)‡ |
12.39 (0.34) |
2.89 |
3,959 (3,804; 4,114) |
| Preterm: 33–35 wGA | 34.00 (4.34†)‡ | 10.89 (0.46) | 4.89 | 4,306 (4,084; 4,527) |
Abbreviations: CI Confidence interval, SE Standard error, CHD Congenital heart disease, CLD Chronic lung disease, wGA weeks of gestational age. * Calculated assuming a normal gestation of 40 weeks; † Estimated assuming a confidence interval of ± 25%; ‡ Gamma distribution; § Data from Feltes et al. 2003 [4] or MedImmune Data on File.