Table 1.
Characteristics of included studies (N = 98)
| Study Charactersitics | Percent |
|---|---|
| Year | |
| 2010 to 2014 | 55.1 |
| 2000 to 2009 | 34.7 |
| 1988 to 1999 | 3.1 |
| Missing | 6.1 |
| Sample Size | |
| < 50 | 53.1 |
| 50 to <1000 | 7.1 |
| 100 to <200 | 7.1 |
| ≥ 200 | 32.7 |
| NMR (deaths per 1000 live birth) | |
| < 5 | 31.6 |
| 5 to <15 | 24.5 |
| 15 to <30 | 32.7 |
| ≥ 30 | 4.1 |
| Missing | 7.1 |
| Setting (rural or urban) | |
| Urban | 44.9 |
| Urban and rural | 10.2 |
| Rural | 6.1 |
| Missing | 38.8 |
| Population source | |
| Health facility | 60.2 |
| NICU or stepdown unit | 27.6 |
| Community or population-based surveillance | 11.2 |
| Missing | 1.0 |
| Gestational Age | |
| Preterm 34 to <37 weeks | 11.2 |
| All gestational ages | 11.2 |
| Very preterm <34 weeks | 7.1 |
| Mixed preterm and very preterm <37 weeks | 6.1 |
| Full term ≥ 37 weeks | 4.1 |
| Missing | 60.2 |
| Birth weight | |
| Low birth weight 1500 to <2500 g | 13.3 |
| All birth weights | 12.2 |
| Mixed low and very low birth weight <2500 g | 7.1 |
| Very low birth weight <1500 g | 4.1 |
| Missing | 63.3 |