Table 3.

Demonstrates the relation between the probability of occurrence to the probability of non-occurrence of an auditory damage after chemoradiotherapy treatment, being taken into consideration the variables age, volume and dose of RT and total and cycle dose of CT.

		Age		Total	p-Valor
		≤ 60 years	> 60 years
Auditory damage	Yes	9	4	13	0.046
ASHA	No	7	14	21
Total		16	18	34
		RT Volume		Total	p-Value
		≤ 1500 cm	> 1500 cm
Auditory alteration	Yes	8	5	13	0.016
ASHA	No	4	17	21
Total		12	22	34
		RT Total Dose		Total	p-Value
		≤ 70.2 Gy	> 70.2 Gy
Auditory damage	Yes	3	10	13	0.182
ASHA	No	5	16	21
Total		8	26	34
		CT Dose Total		Total	p-Value
		≤ 300 mg	> 300 mg
Auditory damage	Yes	7	6	13	0.393
ASHA	No	9	12	21
Total		16	18	34
		CT Dose per Cycle		Total	p-Value
		≤ 50 mg	> 50 mg
Auditory damage	Yes	9	4	13	0.272
ASHA	No	11	10	21
Total		20	14	34