Table 4: Validation of immediate cutaneous diagnosis-Toluidine blue (ICD-TB) against gold-standard: a) to diagnose BCC, b) to diagnose squamous epithelial lesions (SEL)

BCC (gold-standard) SEL (gold-standard)
ICD-TB Results Yes No Total ICD-TB Results Yes No Total
BCC+ 76 12 88 SEL+ 36 3 39
BCC- 1 150 151 SEL- 10 190 200
Total 77 162 239 Total 46 193 239