One-year mortality rates by gestational age
| Gestational age at birth (completed weeks) | Number of infants | Number of infants missing 1-year mortality data n (%)* | Infants died n (%), 95% CI |
| <26 | 84 | 6 (7%) | 26 (33%), 23 to 45 |
| 26–27 | 54 | 11 (20%) | 12 (28%), 15 to 44 |
| 28–31 | 54 | 8 (15%) | 13 (28%), 16 to 43 |
| 32–36 | 26 | 4 (15%) | 7 (32%), 14 to 55 |
| ≥37 | 17 | 3 (18%) | 1 (7%), 0.2 to 34 |
*One infant is missing gestational age at birth and 1-year mortality data.