Endoscopic Submucosal Dissection for Treatment of Patients Aged 75 Years and over with Esophageal Cancer

Table 1

Demographics and baseline characteristics.

	≥75 years (𝑛=13)	<75 years (𝑛=49)	P value
Gender (M/F)			n.s.
Female	2	8
Male	11	41
Age (years : median, range)	79 (76–87)	65 (42–74)	<0.001
Any comorbidities	10 (77%)	15 (31%)	0.004
Cardiovascular disease	2 (15%)	6 (12%)
Pulmonary disease	4 (31%)	6 (12%)
Diabetes mellitus	2 (15%)	4 (8%)
Liver cirrhosis	0 (0%)	1 (2%)
Renal insufficiency	0 (0%)	0 (0%)
Cerebrovascular disease	1 (8%)	1 (2%)
Other	1 (8%)^*	0 (0%)
ASA classification			0.019
1	3	32
2	7	13
3	3	4
4	0	0

^*One case of idiopathic thrombocytopenic purpura.
n.s.: not significant.
ASA: American Society of Anesthesiology.