Table 1

Comparison of absolute latencies of waves (ms) of BAEP of right ear between drug abusers (n=53) and controls (n=30).

Wave	Cases		Controls		t-value	p-value
Wave	Mean	SD	Mean	SD	t-value	p-value
I	1.53	0.1	1.16	0.1	3.06	0.003^*
II	2.80	0.28	2.68	0.2	2.07	0.04^*
III	3.66	0.27	3.78	0.17	2.20	0.03^*
V	5.52	0.16	5.59	0.10	2.17	0.03^*