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Table 2 Birthweight distribution before and after QI initiative in rural health centers in Ethiopia

From: Effect of birthweight measurement quality improvement on low birthweight prevalence in rural Ethiopia

Study design Pre-QI (phase 1) Post-QI (phase 2) Absolute difference
Retrospective Prospective
Birthweights recorded N = 1383 N = 1371  
Birth weight % (95% CI) % (95% CI) % (95% CI)
Mean (SD) 3083 (408) 2977 (463) -106 (-138.6, -73.4)
 < 2500 g 2.16 (1.5, 3.1) 11.74 (10.1, 13.5) 9.58 (7.7, 11.5)
 ≤ 2500 g 4.92 (3.8, 6.1) 12.91 (11.1, 14.7) 7.99 (5.9, 10.1)
2000–2500 g 1.59 (0.1, 2.2) 9.26 (7.7, 10.8) 7.67 (5.9, 9.4)
1500–2000 g 0.29 (0.01, 0.5) 1.82 (1.1, 2.3) 1.53 (0.8, 2.2)
 < 1500 g 0.29 (0.01, 0.5) 0.66 (0.2, 1.1) 0.37 (-0.1, 0.9)