TABLE 2.

Comparative performance of Onychodiag for diagnosis of dermatophyte onychomycosis on 75 DS^a

Corresponding RPS mycology	Total no. of samples	No. of DS with Onychodiag resultb:
		Positive	Gray zone	Negative
Dermatophyte culture
Positive	53	49	4	0
Negativec (no. sterile, no. nondermatophytes)	22 (11, 11)	6 (3, 3)	0	16 (8, 8)
DE
Positive	65	55	4	6
Negative	10	0	0	10
Combination of DE and culture
Positive dermatophyte culture or positive DE	65	55	4	6
Negative dermatophyte culture and negative DEc	10	0	0	10

^aThe mycology results are those for the corresponding RPS.

^bPositive, OD ≥ 0.5; gray zone, 0.3 ≤ OD < 0.5; negative, OD < 0.3.

^cIncluding sterile cultures and cultures of nondermatophyte species.