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Table 3 V40 Gy multivariate model for patients with thyroid volume of at least 8 cc

From: Dosimetric predictors of hypothyroidism in oropharyngeal cancer patients treated with intensity-modulated radiation therapy

Variable

Odds ratio

Lower 95% CI

Upper 95% CI

p-Value

V40Gy

1.03

1.01

1.06

0.017

Ideal Body Weight

0.95

0.89

1.03

0.21

Thyroid Volume

0.95

0.86

1.04

0.24

Age at Treatment

0.98

0.93

1.03

0.39

Sex (M)

0.45

0.05

4.4

0.49