Table 5. Sensitivity and specificity of the real-time PCR assay compared to kDNA PCR stratified by site, type of sample and type of lesion.

Variable	Samples assessed	kDNA positives	n/N, % Sensitivity (95% CI)	n/N, % Specificity (95% CI)
Site
IMTAvH	117	92	91/92, 99*(94–100)	19/25, 76(55–91)
HMC	75	74	61/74, 82(72–90)	1/1, 100(3–100)
Type of sample
Biopsy	178	156	142/156, 91(85–95)	16/22, 73(50–89)
Scraping	14	10	10/10, 100(69–100)	4/4, 100(40–100)
Form of lesion
Cutaneous	163	144	130/144, 90(84–95)	14/19, 74(49–91)
Mucocutaneous	29	22	22/22, 100(85–100)	6/7, 86(42–100)

^(*)Statistically significant (p<0.001) by Chi-square test.