Table 2. Prophylactic treatment of each mucosal defect group.

	Prophylactic treatment
	No treatment		Steroid injection		Steroid injection followed by oral steroid
Group A (n = 45)	18	(40 %)	22	(49 %)	5	(11 %)
Group B (n = 45)	10	(22 %)	25	(56 %)	10	(22 %)
Group C (n = 25)	5	(20 %)	6	(24 %)	14	(56 %)
Total (n = 115)	33	(29 %)	53	(46 %)	29	(25 %)

Patients were categorized by size of lesion in reference to the esophageal lumen into Group A (> 3/4 and < 7/8), Group B (> 7/8 and less than the entire circumference), and Group C (the entire circumference). Treatment type was determined by the time period.