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Table 3 Baseline and endline hematological parameters among WCBA (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 = 1400) (n = 1388)   
 Hb (g/L) 113.1 ± 20.6 112.8 ± 20.8 0.6 (−0.9 to 2.1) 0.5
 Hct (%) 35.5 ± 5.8 35.4 ± 5.8 0.1 (− 0.3 to 0.5) 0.6
 MCH (pg) 27.9 ± 3.8 27.7 ± 4.0 0.2 (−0.07 to 0.5) 0.1
 MCV (fl) 87.6 ± 9.7 87.1 ± 10.2 0.5 (−0.2 to 1.3) 0.2
 RDW (%) 15.8 ± 2.1 16.0 ± 2.3 −0.1 (− 0.3 to 0.03) 0.1
Endline (n = 1316) (n = 1324)   
 Hb (g/L) 114.1 ± 19.8 113.3 ± 19.8 0.8 (−0.7to 2.3) 0.3
 Hct (%) 34.8 ± 5.5 34.7 ± 5.5 0.1 (−0.2to 0.5) 0.4
 MCH (pg) 28.0 ± 3.8 27.9 ± 3.9 0.1 (−0.2 to 0.4) 0.4
 MCV (fl) 85.7 ± 9.7 85.5 ± 9.9 0.2 (−0.6 to 0.9) 0.6
 RDW (%) 15.5 ± 2.3 15.6 ± 2.2 −0.1 (− 0.2 to 0.1) 0.6
  1. Hb Hemoglobin, HCT Hematocrit, MCH Mean corpuscular hemoglobin, MCV Mean corpuscular volume, RDW Red blood cell distribution width