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Table 4 Sensitivities, specificities, positive predictive values, and negative predictive values of clinical prediction tool for pre-treatment HIV RNA <100,000 copies/mL among derivation patients with data on all included variables (n = 1757)

From: Factors associated with pre-treatment HIV RNA: application for the use of abacavir and rilpivirine as the first-line regimen for HIV-infected patients in resource-limited settings

CPT score

N (%)

N (%) tests avoided

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

>25.0

586 (37.7)

1171 (75.3)

46.7

79.1

67.7

61.2

>20.0

764 (49.1)

993 (63.8)

58.0

70.2

64.7

64.0

>15.0

1018 (65.4)

739 (47.5)

72.3

55.5

60.4

68.1

>10.0

1239 (79.6)

518 (33.3)

81.3

39.6

55.9

69.3

>5.0

1456 (93.6)

301 (19.3)

91.1

24.8

53.2

74.8

  1. CPT clinical prediction tool, PPV positive predictive value, NPV negative predictive value