Comparative Performance Evaluation of Routine Malaria Diagnosis at Ho Municipal Hospital

Table 2

Age stratified performance of rapid and presumptive diagnostic test using field microscopy as a gold standard.

Parameter	Sensitivity	Specificity	PPV	NPV
≤5 years
Rapid Diagnostic Test	85.71	86.89	42.86	98.15
Presumptive diagnosis	71.43	26.23	10.00	88.89
6–18 years
Rapid Diagnostic Test	30	100	100	85.11
Presumptive diagnosis	7.41	92.31	66.67	32.43
19–40 years
Rapid Diagnostic Test	37.5	96.88	50.00	94.90
Presumptive diagnosis	75	30.21	8.22	93.55
41–85 years
Rapid Diagnostic Test	50	97.18	60.00	95.83
Presumptive diagnosis	66.67	22.95	7.84	87.50

Data is presented as percentages. PPV: positive predictive value and NPV: negative predictive value.