Figure 5From: Modelling malaria incidence with environmental dependency in a locality of Sudanese savannah area, MaliROC curve of NDVI for the prediction of an increase in parasitaemia incidence (blue). The green line represents the first bisector. The black cross represents the NDVI threshold with the best DOR (NDVI = 0.361; sensitivity of 67%; specificity of 56%).Back to article page