Table 2.

Audiometric findings in study subjects.

Audiometric findings	Hamulotomy performed			Hamulotomy not performed
	N = 50 (100%)			N = 50 (100%)
	Preop.	1 month	6 months	Preop.	1 month	6 months
Normal	5 (10%)	5 (10%)	14 (28%)	9 (18%)	10 (20%)	24 (48%)
Mild	15 (30%)	16 (32%)	25 (50%)	15 (30%)	15 (30%)	18 (36%)
Moderate	14 (28%)	13 (26%)	7 (14%)	13 (26%)	13 (26%)	6 (12%)
Severe	12 (24%)	13 (26%)	4 (8%)	9 (18%)	10 (20%)	2 (4%)
Profound	4 (8%)	3 (6%)	0 (0%)	4 (8%)	2 (4%)	0 (0%)