Table 3.

Predictive factors for overall efficacy

	Unadjusted OR (CI 95%)	p (univariate)	Adjusted OR (CI 95%)	p (multivariate)
Stricture etiology (post-RT)	1.692 (0.399–7.172)	0.475
Initial dysphagia score	0.621 (0.258–1.490)	0.286
Initial stricture caliber	2.228 (1.159–4.282)	0.016	2.265 (0.873–5.875)	0.093
Total number of dilations	0.732 (0.579–0.926)	0.009	0.975 (0.635–1.495)	0.907
Maximum 1st dilation diameter	1.390 (0.986–1.983)	0.060
Absence of criteria for recurrent stricture	14.25 (2.389–85.01)	0.004	23.626 (0.545–1,024.35)	0.100
Refractory stricture	0.941 (0.177–4.997)	0.943

RT, radiotherapy.