Table 3.

Pure tone audiometry (pre and post operative PTA)

PTA	Preoperative PTA		Post operative PTA at 12 weeks
	Patients	Percentage	Patients	Percentage
10–15 dB	0	0%	1	3.33%
16–25 dB	2	6.67%	13	43.33%
26–40 dB	15	50%	12	40%
41–55 dB	9	30%	2	6.67%
56–70 dB	4	13.33%	2	6.67%
Total	30	100%	30	100%
Mean	40.375 ± 11.842 dB		30.100 ± 11.436 dB
p value	0.001 (significant)