Table 1

Preoperative demographics for patients undergoing endoscopic mucosal resection

Preoperative demographicNon-cancer patients (%)
(n=9973)
Patients with oesophagogastric cancer (%)
(n=1078)
Age ≥70 years4669 (46.8)694 (64.4)
Male ratio5109 (51.2)709 (65.8)
Congestive cardiac failure93 (0.9)13 (1.2)
Ischaemic heart disease389 (3.9)69 (6.4)
Liver disease74 (0.7)5 (0.5)
Peripheral vascular disease40 (0.4)12 (1.1)
Pulmonary disease542 (5.4)94 (8.7)
Renal disease118 (1.2)15 (1.4)
Charlson Comorbidity Index ≥3424 (4.3)687 (63.7)