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Table 4 Baseline and endline hematological parameters among children (HZn vs. LZn)

From: Efficacy of high zinc biofortified wheat in improvement of micronutrient status, and prevention of morbidity among preschool children and women - a double masked, randomized, controlled trial

  HZn LZn Difference of means (95% CI) p value
Baseline (n = 1383) (n = 1364)   
 Hb (g/L) 112.1 ± 17.1 111.7 ± 16.4 0.4 (−0.9 to 1.6) 0.6
 Hct (%) 34.2 ± 4.8 34.2 ± 4.6 0.1 (−0.2 to 0.5) 0.5
 MCH (pg) 25.2 ± 3.0 25.2 ± 2.8 0.0 (−0.2 to 0.2) 0.9
 MCV (fl) 77.0 ± 7.6 77.0 ± 7.2 0.0 (−0.6 to 0.6) 0.9
 RDW (%) 15.4 ± 2.1 15.3 ± 1.9 0.1 (−0.02 to 0.3) 0.1
Endline (n = 1269) (n = 1265)   
 Hb (g/L) 114.0 ± 15.7 114.6 ± 16.1 −0.6 (−1.9 to 0.6) 0.3
 Hct (%) 33.9 ± 4.3 34.1 ± 4.4 −0.2 (− 0.5 to 0.2) 0.3
 MCH (pg) 25.6 ± 2.8 25.5 ± 2.6 0.1 (−0.2 to 0.3) 0.6
 MCV (fl) 76.2 ± 7.4 76.1 ± 6.7 0.1 (−0.4 to 0.7) 0.6
 RDW (%) 15.1 ± 2.3 14.9 ± 2.0 0.2 (0.05 to 0.4) 0.0
  1. Hb Hemoglobin, HCT Hematocrit, MCH Mean corpuscular hemoglobin, MCV Mean corpuscular volume, RDW Red blood cell distribution width