Table 9.

Quantitative hearing loss and loss of tonal hearing according to TMD group.

Tonal hearing loss * TMD Crosstabulation
			TMD Group
			Non	mild	moderate	severe	Total
Hearing loss	normal≤15%	Count	104	88	68	24	284
	In one	Count	16	16	56	16	104
	ear > 15%
	In one	Count	4	0	8	20	32
	ear≥20%
	In both	Count	0	4	4	16	24
	ears > 15%
	In both	Count	0	0	0	20	20
	ears≥20%
Tonal hearing loss	No loss	Count	112	64	52	12	240
	Loss in low tones in both ears	Count	0	12	32	40	84
	Loss in low tones in one ear	Count	8	24	8	24	64
	Loss in median tones in both ears	Count	0	4	20	16	40
	Loss in median tones in one ear	Count	4	4	24	4	36

Tonal hearing loss, ear itching, hearing loss -TMD.