Comparison of subjects followed up with those lost to follow up
| Characteristic | Followed up | Not followed up |
|---|---|---|
| GA, Gestational age. | ||
| Sex ratio (M:F) | 53% (80/152) | 54% (29/54) |
| Median GA (weeks) | 25.9 | 25.1 |
| Mean birth weight (g) | 770 | 710 |
| % treated | 59.7 (89/149) | 54.4 (31/57) |