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Table 4 Sensitivity, Specificity, NPV and PPV for combined self-reported and pharmacy refill adherence

From: Predicting viral load suppression by self-reported adherence, pharmacy refill counts and real time medication monitoring among people living with HIV in Tanzania

Cut-offs

Viral load

Sensitivity

Specificity

PPV

NPV

 ≥ 20

 < 20

 < 80%

14

26

20.3

83.2

35.0

70.1

 ≥ 80%

55

129

    

 < 85%

17

29

24.6

81.3

37.0

70.8

 ≥ 85%

52

126

    

 < 90%

21

34

30.0

78.1

38.2

71.2

 ≥ 90%

49

121

    

 < 95%

30

45

42.9

71.0

40.0

73.3

 ≥ 95%

40

110

    

 < 100%

40

74

57.1

52.6

35.1

73.2

100%

30

82

    
  1. PPV positive predict value, NPV negative predict value, RTMM real time medication monitoring.
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AIDS Research and Therapy

ISSN: 1742-6405

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