- Efficacy estimates: Kaplan-Meier survival analysis methods will be used with and without genotyping adjustment. Patients withdrawn, lost to follow-up or with re-infections are censored from the analysis on that day. Patients with a recurrence of parasitaemia, but with missing or undetermined PCR results should be censored on the last visit when the malaria smear was found to be negative (as it is known that the patient was 'cured' at that point).