Table 6.

Multivariate logistic regression analysis of presence of a sense of odor.

Variable	Odds ratio	95% CI	p value
Gender (female/male)	1.546	0.862-2.774	0.1436
Age (≤20/>20)	0.370	0.140-0.977	0.0448
Nasal cavity dose	1.022	1.016-1.028	<0.001
RT methods (proton/photon)	0.444	0.210-0.939	0.0336