Assisted Protection Headphone Proposal to Prevent Chronic Exposure to Percussion Instruments on Musicians

Table 2

Relation between NIHL and played instrument.

Instrument	People with NIHL	People without NIHL	% of people with NIHL
Cutter surdo	5	16	23.8
Caixa	1	0	100
Repinique	4	4	50
Surdo	3	4	42.9
Many	2	4	33.3