Disease	Test	Cost of test*	Diagnostic standard	Sensitivity (%)	Specificity (%)
Tinea corporis	Visual inspection41	NA	Culture	81	45
	KOH preparation41,42	$60	Culture	12 to 88	93
Tina capitis	Culture10,11,43	$156	Visual inspection	51 to 97	Not available†
	KOH preparation10,11,43	$60	Culture	59 to 73	85
Onychomycosis	Visual inspection29	NA	Culture and periodic acid–Schiff stain‡	77	47
	KOH preparation30,44–46	$60	Culture	76 to 93	38 to 78
	KOH preparation47		Calcofluor stain	80	72
	KOH preparation48		PCR	67	52
	Culture47	$158	Calcofluor stain	59	83
	Culture48		PCR	31	100
	Periodic acid–Schiff stain47	$194	Calcofluor stain	92	72