TABLE 5.

Performance statistics of modified vs. original malaria risk assessment algorithm compared to mRDT result.

Statistical analysis	Original malaria risk assessment algorithm		Modified malaria risk assessment algorithm
—	(−) mRDT n = 160	(+) mRDT n = 320	(−) mRDT n = 160	(+) mRDT n = 320
Sensitivity, %	0.36	0.70	0.47	0.69
CI	0.30–0.41	0.63–0.76	0.36–0.57	0.65–0.74
Specificity, %	0.70	0.36	0.69	0.47
CI	0.63–0.76	0.30–0.41	0.65–0.74	0.36–0.58
PPV, %	0.63	0.43	0.23	0.87
CI	0.55–0.70	0.38–0.49	0.17–0.30	0.83–0.90
NPV, %	0.43	0.63	0.87	0.23
CI	0.38–0.49	0.55–0.70	0.83–0.90	0.17–0.30

Abbreviations: CI, Confidence interval; mRDT, malaria rapid diagnostic test; PPV, positive predictive value; NPV, negative predictive value.