Skip to main content

Table 5 The sensitivity, specificity and positive predictive power of the multiplicative model at Nandi

From: Development and validation of climate and ecosystem-based early malaria epidemic prediction models in East Africa

V-shaped ecosystem model performance, Nandi district

Event

Epidemic positive

Epidemic negative

Total

Model positive

True positive (TP)

False positive

7

6

1

Model negative

False negative (FN)

True negative (TN)

111

2

109

Total

8

110

118

Sensitivity

TP/(TP + FN)

 

0.75

Specificity

TN/(TN + FP)

 

0.99

Positive predictive power

TP/(TP + FP)

 

0.86