Table 5.

Pure tone audiometry data

Duration	Type of hearing loss	U/L (in nos.)	U/L (in %)	B/L (in nos.)	B/L (in %)
Before treatment	Cond. HL	20	33.33	9	15.00
	Mixed HL	24	40.00	7	11.67
	SNHL	0	0	0	0.00
	Normal hearing	0	0	0	0.00
After first follow up	Cond. HL	8	13.33	6	10.00
	Mixed HL	14	23.33	6	10.00
	SNHL	8	13.33	2	3.33
	Normal hearing	12	20.00	4	6.67
After second follow up	Cond. HL	9	15.00	3	5.00
	Mixed HL	12	20.00	3	5.00
	SNHL	11	18.33	4	6.66
	Normal hearing	12	20.00	6	10.00
After third follow up	Cond. HL	5	8.33	4	6.67
	Mixed HL	8	13.33	3	5.00
	SNHL	14	23.33	4	6.66
	Normal hearing	16	26.67	6	10.00

Cond conductive, Hl hearing loss, SN sensorineural, U/L unilateral/l, B/L bilateral