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Table 3 Change in hemoglobin in all subjects stratified by presence of anemia at baseline

From: Effect on longitudinal growth and anemia of zinc or multiple micronutrients added to vitamin A: a randomized controlled trial in children aged 6-24 months

  n Mean change in hemoglobin g/dL, mean (95% CI)1 [n per treatment arm]
   Vitamin A only Vitamin A + zinc Multivitamins Overall P2
All subjects 210 0.59 (0.22, 0.97)b [68] 0.17 (-0.20, 0.54)a [71] 0.62 (0.26, 0.98)b [71] 0.06
Anemic at baseline 166 0.99 (0.56, 1.41) [52] 0.49 (0.07, 0.91) [54] 0.93 (0.54, 1.31) [60] 0.10
Not anemic 44 -0.92 (-1.81, -0.02) [16] -1.12 (-2.00, -0.25) [17] -0.48 (-1.56, 0.59) [11] 0.49
  1. 1 Adjusted for baseline hemoglobin and cohort
  2. 2 ANOVA F-test
  3. Values in the same row with different superscripts are significantly different from each other (P < 0.05)