| Characteristics | Groups of infants | p value* | |
| Normal | Asphyxia | ||
| (n = 18) | (n = 18) | ||
| 1. Age (years) |
|
| 0.646 |
| - Mean (SD) | 28.7 (7.0) | 29.6 (4.0) | |
| - Range | 20 - 42 | 22 - 36 | |
| 2. Gestational age (weeks) |
|
| 0.069 |
| 37 | 12 | 6 | |
| 38 | 6 | 7 | |
| 39 | 0 | 4 | |
| 40 | 0 | 1 | |
| - Mean (SD) | 37.0 (0.5) | 38.0 (0.9) | |
| 3. Parity |
|
| 0.480 |
| 1 | 8 (44.44%) | 10 (55.56%) | |
| 2 | 9 (50%) | 7 (38.89%) | |
| 3 | 1 (5.56%) | 0 (0%) | |
| 4 | 0 (0%) | 1 (5.56%) | |