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Table 3 Sensitivity analysis of screening question “nsCAI” to identify other probable risk behaviours for HCV re-infection

From: Screening HIV-positive men who have sex with men for hepatitis C re-infection risk: is a single question on condom-use enough? A sensitivity analysis

Risk Behaviours

Sensitivitya (%) (95% CI)

Specificityb (%) (95% CI)

Any drug use

84.62 (71.92–93.12)

57.58 (44.79–69.66)

Sexualised drug use

84.09 (69.93–93.36)

52.70 (40.75–64.43)

Injecting drug use

88.24 (63.56–98.54)

43.56 (33.72–53.80)

Fisting

75.00 (55.13–89.31)

43.18 (32.66–54.18)

Sharing of sex toys

66.67 (48.17–82.04)

41.18 (30.61–52.38)

  1. aThe probability that HIV-positive MSM report a selected risk behaviour will also report nsCAI
  2. bThe probability that HIV-positive MSM will deny nsCAI if they are not engaging in other selected other risk behaviours
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BMC Infectious Diseases

ISSN: 1471-2334

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