Table 2.

Logistic regression analysis with independent variables for P value < 0.05 was considered in which symptoms were related with the clinical signs.

Independent variables	Pain or swelling of neck	Gastrointestinal discomforts	Salivary gland dysfunction
Age
Sex	0.004		0.04
TSH level	0.017	0.007
Lymph node metastases			0.00998
Distant metastases
Episode of therapy	0		0.0088
Cumulative activity