Table II.

Difference between PTA and application-based audiometry thresholds of AC test of right and left ears – all frequencies

Decibel difference	250 Hz	500 Hz	1000 Hz	2000 Hz	4000 Hz	8000 Hz
-15	0	0	0	0	0	123
-10	15	177	114	114	123	93
-5	240	402	339	321	387	609
0	738	623	641	561	714	444
5	375	262	270	258	150	126
10	126	45	66	240	96	81
15	0	0	79	0	36	18
20	15	0	0	0	0	15
25	0	0	0	15	21	18
30	0	0	0	0	0	3
Total	1509	1509	1509	1509	1527	1530