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Table 3 Differences in the prevalence of malaria in patients based on presumptive and laboratory diagnosis in the same cohort

From: Symptomatic malaria diagnosis overestimate malaria prevalence, but underestimate anaemia burdens in children: results of a follow up study in Kenya

Age (Months) The prevalence of malaria based on presumptive diagnosis Prevalence of malaria after laboratory diagnosis P-value Prevalence of anaemia after laboratory diagnosis
< 6 (n = 34) 70.6 31.2 < 0.001 19.6
6 – 12 (n = 223) 47.1 34.8 < 0.001 20.7
12.1 – 24 (n = 202) 73.8 35.4 < 0.001 35.3
24.1 - 60 (n = 178) 66.3 41.0 < 0.001 30.3
60.1 – 144 (n = 108) 72.2 38.8 < 0.001 34.7
> 144 (n = 142) 63.4 34.9 < 0.001 30.7
  1. Reported also are prevalence of anaemia in the same age group after laboratory analysis. No diagnosis of anaemia was done during presumptive diagnosis.
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