Table 3 Proportion of fevers positive for malaria compared with the fraction of fevers (and 95% confidence intervals) attributable to malaria in individuals less than and greater than 15 years old, calculated by Method 1: and Method 2: . P f is the proportion of fevers with parasites and P a the proportion of asymptomatic but parasite positive individuals.
From: Longitudinal study of Plasmodium falciparum and Plasmodium vivax in a Karen population in Thailand
Age (years) | Propn. fevers malaria positive | AF – Method1 | AF – Method2 |
|---|---|---|---|
Pfal | |||
< 15 | 0.104 | 0.086 (0.072–0.103) | 0.101 (0.098–0.103) |
≥ 15 | 0.101 | 0.089 (0.072–0.11) | 0.099 (0.097–0.100) |
Pviv | |||
< 15 | 0.051 | 0.041 (0.031–0.053) | 0.048 (0.045–0.050) |
≥ 15 | 0.028 | 0.025 (0.016–0.038) | 0.028 (0.027–0.028) |