Table 2.

Results of multivariate regression analysis of factors affecting patients with dysphagia after posterior skull base surgery.

Variables	Regression coefficient	Wald χ2	OR (95%CI)	P-value
Total score of NRS 2002	0.728	13.291	2.070 (1.400–3.061)	0.000
History of choking	2.446	9.120	11.548 (2.360–56.501)	0.003
Surgical duration	0.228	5.752	1.256 (1.042–1.512)	0.016