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Table 2 Haemoglobin, ferritin and MCV values at end of study

From: Effect of a short course of iron polymaltose on acquisition of malarial parasitaemia in anaemic Indonesian schoolchildren: a randomized trial

Variable IPM group Placebo group
Haemoglobin level available, n 290 288
 Haemoglobin level, g/dl, mean ± SD 12.1 ± 1.0 12.0 ± 1.1
 ∆ Haemoglobin, g/dl, mean ± SD 0.09 ± .91 0.08 ± .85
Ferritin level available, n 277 276
 Ferritin level, µg/l, median (IQR) 47.7 (30.8–70.4) 45.2 (28.8–65.8)
 ∆ Ferritin, µg/l, median (IQR) 3.0 (−9.9 to 17.7) 1.3 (−9.4 to 14.6)
Children with iron deficiency at baseline, na 77 82
 Children remaining iron deficient at wk 16, n (%) 43 (55.8) 53 (64.6)
 ∆ Ferritin, µg/l, median (IQR) 6.1 (2.6–17.5) 5.9 (−0.1 to 14.5)
Mean corpuscular volume (MCV) available, n 290 288
 MCV, fl, mean ± SD 74.7 ± 5.4 74 ± 5.6
 ∆ MCV, fl, mean ± SD 0.5 ± 2.2 0.4 ± 1.9
Children with microcytosis at baseline, nb 147 164
 Persistent microcytosis at wk 16, n (%) 133 (87.5) 148 (87.6)
 ∆ MCV, fl, mean ± SD 1.1 (0.7–1.5) 0.7 (0.4–1.1)
  1. There were no statistical significant differences in any parameter between the groups
  2. aIron deficiency defined as serum ferritin concentration < 30 μg/l
  3. bMicrocytosis defined as MCV ≤ 75 fl
  4. ∆ = Mean or median change between baseline and week 16