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. 1999 Feb 20;318(7182):493–497. doi: 10.1136/bmj.318.7182.493

Table 3.

Sensitivity and specificity values for vignettes in assessing competence

Variable Sensitivity (%) (95% CI) Specificity (%) (95% CI)
Vignette 1 94 (83 to 99) 90 (79 to 97)
Vignette 2  98 (89 to 100) 90 (79 to 97)
Vignette 3 94 (83 to 99) 94 (84 to 99)
Vignettes 1 and 2  96 (86 to 100)  98 (90 to 100)
Vignettes 1 and 3 94 (83 to 99) 94 (84 to 99)
Vignettes 2 and 3  98 (89 to 100) 94 (84 to 99)