Table 5.

Characteristics of the three groups after ESD procedure

	BTX-A (group A) (n=26)	TA (group B) (n=16)	Control (Group C) (n=36)	P value
Grading of dysphagia (range)	0.5 (0-3)	1.5 (0-3)	2 (0-4)	0.009*
Scores of EORTC QLQ-OES18, mean±SD	24.15±2.19	24.88±2.13	23.47±1.13	0.029*
No. of required bougie dilations, mean (range)	1.19 (0-12)	1.31 (0-9)	3.14 (0-16)	0.019*
Time that stricture occurred, mean±SD, days	43.5±37	40±20	32±50.5	0.643
Asymptomatic remission periods, mean±SD, days	46.6±10.6	49.5±8.8	26.4±6.5	0.001*
Diameter of narrow esophagus, mean±SD, mm	5.6±1.0	4.8±1.2	3.8±1.1	0.021*

*p<0.05