Subanalysis using 
malaria
MALARIA
Among individuals with PQ concentration data, a PQ concentration greater than 10.3 ng/ml was associated with a 36% (HR 0.64, 95% CI 0.23–0.99) decreased hazard of subsequent malaria (ΔOFV −5.6) compared to children whose most recent PQ concentration was less than or equal to 10.3 ng/ml. After accounting for PQ concentrations greater than 10.3 ng/ml, a ZHA less than −2 was associated with a twofold increased malaria hazard (HR: 2.1, 95% CI 1.6–3.0) compared to a ZHA of zero (Table 