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Table 3 Univariate and multivariate adjusted hazard ratio for the first episode of microscopic malarial parasitaemia

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

Variable

Univariate

Multivariate

 

HR (95% CI)

P value

HR (95% CI)

P value

Iron treatment

2.2 (1.2–4.2)

0.013

2.3 (1.2–4.3)

0.012

Microcytosis

3.3 (1.6–7.1)

0.001

3.4 (1.7–7.1)

0.001

Iron deficiency

0.6 (0.3–1.3)

0.18

0.6 (0.3–1.4)

0.22

Age

0.9 (0.8–1.0)

0.22

1.0 (0.9–1.1)

0.63

Female sex

1.3 (0.7–2.5)

0.43

1.7 (0.9–3.2)

0.13

  1. Microcytosis defined as MCV value < 75 fl; iron deficiency as ferritin concentration < 30 µg/l. Age was included as continuous variable
  2. HR hazard ratio, CI confidence interval