Incidence of Cisplatin Induced Ototoxicity in Adults with Head and Neck Cancer

Table 3

Pretreatment versus posttreatment hearing examination using the Chang criteria. Worsening posttreatment hearing is written in bold.

Pretreatment (right/left)	Posttreatment (right/left)
2a/2b	2b/2b
1a/2b	1a/2b
3/3	3/3
0/4	1a/4
4/4	4/4
2b/1a	4/1a
2b/2b	2b/2b
0/0	0/0
0/0	1b/0
0/0	0/0
4/4	4/4
3/4	3/4
2b/2b	3/3
2b/2a	2b/2b
3/3	4/3
4/2b	4/3
2a/2a	2a/2b
0/0	1a/1a
0/1a	1b/1b
0/4	1b/4
2b/2b	3/4
2b/2b	2b/2b
4/4	4/4
1b/2b	3/2b
2b/2a	2b/2b
1a/1a	2b/2b
2b/3	2b/4
4/2b	4/4
4/4	4/4
2a/1b	2a/2b