Table 4. Binary logistic regression for influence of total dose (OAR) on development of dysphagia within the first 6 months and 6 to 12 months after the end of RT.

	Regression coefficient β	Standard error	Wald	df	Sig.	Exp(β)
1–6 months	2.015	0.753	7.164	1	0.007	7.500
6–12 months	1.540	0.636	5.863	1	0.015	4.667