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Table 3 Rate and adjusted odds ratios of early neonatal mortality by birthweight

From: An outcome-based definition of low birthweight for births in low- and middle-income countries: a secondary analysis of the WHO global survey on maternal and perinatal health

Birthweight (g) n Early Neonatal Mortalitya
Rate (%) Adjusted OR (95% CI)
<  1500 2072 29.0 32.0 (25.6, 40.0)
1500–1599 602 13.8 17.9 (13.3, 24.1)
1600–1699 521 9.6 12.5 (8.8, 17.7)
1700–1799 811 6.2 9.5 (6.8, 13.2)
1800–1899 973 6.8 10.5 (7.8, 14.1)
1900–1999 1032 3.6 5.9 (4.1, 8.5)
2000–2099 2807 3.1 6.6 (5.2, 8.5)
2100–2199 2165 1.6 3.8 (2.7, 5.5)
2200–2299 3817 1.0 2.6 (1.9, 3.7)
2300–2399 4178 0.6 1.7 (1.1, 2.6)
2400–2499 5628 0.7 2.3 (1.7, 3.1)
2500–3499 181,042 0.3 1.0
  1. Adjusted for gestational age, mode of delivery, fetal presentation at delivery, maternal complications and complexity index
  2. aROC = 0.9118