Table 2.

Accuracy of dermoscopy in the detection of basal cell carcinoma

DETECTION METHODSENSITIVITY,* %SPECIFICITY,† %POSITIVE LIKELIHOOD RATIONEGATIVE LIKELIHOOD RATIO
Visual inspection alone (in person)79773.40.27
Dermoscopy with visual inspection (in person)9399930.07
Image-based visual inspection alone (not in person)85876.50.17
Dermoscopy with image-based visual inspection (not in person)9396230.07

  • ROC—receiver operating characteristic.

  • ↵* Estimated sensitivity calculated on the summary ROC curve at a fixed specificity of 80%.

  • ↵† Estimated specificity calculated on the summary ROC curve at a fixed sensitivity of 80%.

  • Data from Dinnes et al.2