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Number of missing entries by category
| Category | Number of entries missing |
Percentage of total entries (9213) |
| Year of delivery | 22 | 0.2 |
| Gestational age | 268 | 2.9 |
| Maternal age | 557 | 6.0 |
| Admission weight | 213 | 2.3 |
| Age at admission | 75 | 0.8 |
| Mode of delivery | 55 | 0.6 |
| Outcomes | 512 | 5.6 |
| Admissions by day of week | 43 | 0.5 |
| Deaths by birth weight | 179 | 1.9 |
| Source of referral | 66 | 0.7 |
