Comparison of developmental delay between very low birth weight infant (VLBWI) and control groups
| Composite score | VLBWI (105) n (%) (95% CI) | Control (74) n (%) (95% CI) | p Value |
| Cognitive <70 | 6 (5.7) (2.6 to 11.9) | 0 | 0.04 |
| Cognitive <85 | 25 (24.0) (16.7 to 32.8) | 19 (25.6) (17.1 to 36.6) | 0.78 |
| Language <70 | 4 (3.8) (1.5 to 9.3) | 0 | 0.14 |
| Language <85 | 19 (18.1) (11.9 to 26.5) | 12 (16.2) (9.5 to 26.2) | 0.84 |
| Motor <70 | 3 (2.9) (1.0 to 8.1) | 0 | 0.27 |
| Motor <85 | 16 (15.2) (9.6 to 23.3) | 4 (5.2) (2.1 to 13.1) | 0.05 |