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Evid Based Nurs 6:23 doi:10.1136/ebn.6.1.23
  • Assessment (screening or diagnosis)

The CRAFFT test was accurate for screening for substance abuse among adolescent clinic patients

Table 2.

Diagnostic characteristics for the CRAFFT test (cut point score ≥2) in screening for substance abuse among adolescents*

Substance use category Sensitivity (95% CI) Specificity (CI) +LR −LR
*Diagnostic terms defined in glossary. Likelihood ratios (LRs) were provided by the author.
Any problem (problem use, abuse, or dependence) 76% (68 to 83) 94% (92 to 96) 12.97 0.26
Any diagnosis (abuse or dependence) 80% (72 to 89) 86% (83 to 89) 5.85 0.23
Dependence 92% (82 to 100) 80% (77 to 83) 4.65 0.10

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