Follow-up study on symptom distress in esophageal cancer patients undergoing repeated dilation

Table 1 Dilatation times in esophageal carcinoma patients repeatedly undergoing dilation for esophageal stenosis

	Achieved marked effect		Cumulative percentage	Did not achieve significant results
	n	Percentage (%)		n	Percentage (%)
1 time	3	2.86	2.86	102	97.14
2 times	6	5.88	8.57	96	94.12
3 times	43	44.79	49.52	53	55.21
4 times	5	9.43	54.29	48	90.57
5 times	18	37.50	71.43	30	62.50
6 times	17	56.67	87.62	13	43.33