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. 2015 Mar 20;15:136. doi: 10.1186/s12879-015-0864-5

Table 2.

Comparison of overall prevalence and geometric mean parasite density of malaria infection, mean Hb levels and anaemia after one and two years of anthelmintic treatment by randomization groups

Variable/randomization group Baseline 12 months follow up 24 months follow up
Prevalence of P. falciparum infection (n,%)
 Intervention 123 (33.2) 145 (44.9) 74 (24.9)
 Control 123 (31.2) 137 (42.4) 70 (24.0)
p-value 0.567 0.526 0.790
Intensity of P. falciparum infection (95% CI)
 Intervention 530 (414-678) 833 (664-1048) 326 (279-382)
 Control 510 (403-645) 906 (724-1133) 343 (294-400)
p-value 0.825 0.608 0.658
Prevalence of anaemia (n,%)
 Intervention 142 (36.0) 120 (37.2) 43 (14.5)
 Control 134 (36.1) 112 (34.7) 38 (13.0)
p-value 0.971 0.806 0.634
Prevalence of severe anaemia (n,%)
 Intervention 5 (1.3) 1 (0.3) -
 Control 4 (1.1) 1 (0.3) -
p-value NA NA NA
Mean haemoglobin level in g/L (95% CI)
 Intervention 122.0 (120.5-123.4) 123.5 (121.9-125.0) 136.0 (134.2-137.8)
 Control 123.0 (121.6-124.5) 123.2 (121.7-124.6) 136.8 (135.0-137.7)
p-value 0.270 0.749 0.494