Heterogeneity and the effect of moderators on heterogeneity for the proportions of children presenting with different clinical features in descriptive studies of severe Plasmodium falciparum malaria.

NS, No statistically significant contribution to overall heterogeneity; Def, Definition; *, ** and ***, P-valuesachildren with an overlapping syndrome comprising coma, severe anemia and any of: metabolic acidosis, respiratory distress or hyperlactatemia.