Table 3.

Multivariate analysis of endoscopic treatment success

Risk factors	OR	95% CI	P value
Circumferential ratio (1/2, < 1 vs. 1)	6.106	1.013–36.785	0.048
Location of strictures (Cervical vs. Thoracic)	0.516	0.121–2.203	0.372
Depth of infiltration (m1/m2 vs. m3/sm)	1.522	0.372–6.233	0.559
Muscular injury (no vs. yes)	0.416	0.091–1.898	0.257
Length of strictures (1–4 cm vs. 5–9 cm)	0.452	0.084–1.972	0.264