Skip to main content

Table 3 Summary of average effectiveness of each strategy

From: Cost-effectiveness analysis of the available strategies for diagnosing malaria in outpatient clinics in Zambia

Strategy

Clinical

Microscopy

RDT

Total Visits

6520

10460

6685

Test Results

Found Positive (%)

5829

3838

1731

Found Negative (%)

691

6622

4954

Estimations of Accuracy (refer to methods)

True Positives

977

1866

1186

False Positives

4852

1972

545

True Negative

621

6237

4896

False Negative

70

186

58

Sensitivity (%)- input

90

90.9

95.3

Specificity (%)- output

11.3

76.5

90

Cases correctly diagnosed

1598

8303

6082

Accuracy (%)

24.5

79.4

91.0

Estimations of Reliability

Likelihood ratio positive

1.1

3.9

9.5

Likelihood ratio negative

0.6

0.1

0.1

Positive post-test probability

17%

53%

70%

Negative post-test probability

10%

3%

2%