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Table 2 Prevalence of adverse newborn outcomes in each study, among newborns included in the analysis

From: The associations of birth intervals with small-for-gestational-age, preterm, and neonatal and infant mortality: a meta-analysis

Study SGA <10% Preterm Term-SGA Preterm-AGA Preterm-SGA Neonatal Mortality Rate* Infant mortality Rate*
Brazil (1982) [11] 21.1 5.0 12.4 3.9 1.0 21 40
Brazil (1993) [12] 20.3 10.2 15.4 9.3 1.0 16 24
Brazil (2004) [13] 16.7 16.1 11.8 14.3 1.7 11 19
Philippines (1983) [15] 25.3 17.0 22.7 14.4 2.6 13 33
Zimbabwe (1997) [14] 32.8 7.6 29.9 4.7 2.9 9** 78
  1. *per 1000 live births
  2. **Enrollment of newborns occurred up to 96 hours after birth, and the study may have missed neonatal deaths prior to enrollment.
  3. SGA = small-for-gestational-age, AGA = appropriate-for-gestational-age. Preterm = below 37 completed weeks of gestation.