Table 3.

Reason for ordering the test (ABR), distributed by age range.

	Reason
Age (years)	Hearing threshold	Brainstem assessment	both	Total
0 l– 1	6	0	52	58
1 l– 6	11	5	115	132
6 l– 12	1	2	13	15
12 l– 20	0	9	5	14
20 l– 40	1	54	12	67
40 l– 70	0	85	22	107
70 l–	0	8	2	10
Total	19	163	221	403