Table 5.

Result of the Mann–Whitney U Test Comparing the Descending Span Audio Test and 2N-Back Test Scores Between the Tinnitus and the Control Group

	Tinnitus Group		Control Group		Test Results (Z-Value)	P	r
	Mean	SD	Mean	SD
Descending span audio test (midpoint score)	3.82	1.53	6.71	1.56	–4.47	.00	–0.71
Descending span audio test (maximum score)	5.45	1.54	8.25	1.65	–4.31	.00	–0.68
2N-Back test	15.35	2.35	19.45	0.83	–5.22	.00	–0.82