| Study | Reason for exclusion |
|---|---|
| Hendrickse 1966 | Compared different antimalarial regimens in people with sickle cell anaemia; did not compare the interventions to placebo or to no intervention |
| Molineaux 1979b | Longitudinal research project on epidemiology of malaria conducted in 1970 in Garki, Northern Nigeria |
| Terlouw 2004 | Study participants had the sickle cell trait (haemoglobin genotype AS) and not sickle cell disease |
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