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Clinical efficacy. Kaplan-Meier survival analysis of artesunate-atovaquone-proguanil (ASAP) efficacy over 42 days vs atovaquone-proguanil (AP) alone at 2 sites in Cambodia based on number of volunteers remaining malaria free at each interval (inset). A, Overall (log-rank P value for difference = .617). B, Anlong Veng site. C, Kratie site. There were no statistical differences in outcomes for AP (P = .663) or ASAP (P = .317) by location.
