Table 1 Clinical characteristics of patients and lesions treated with endoscopic submucosal dissection
Variable | (%) |
|---|---|
Number of patients | 165 |
Number of lesions | 178 |
Sex | |
Male | 94 (57) |
Age (years) | 83.7 ± 3.1 |
Tumor size (mm) | 35.6 ± 18.8 |
Location | |
Right colon | 81 (45) |
Left colon | 37 (21) |
Rectum | 60 (34) |
Gross type | |
Superficial | 69 (39) |
Protruded | 109 (61) |
Comorbidities (overlapped) | |
Hypertension | 86 (52) |
Cardiac disease | 42 (25) |
Diabetes | 33 (20) |
Advanced-stage cancer of organs | 25 (15) |
Cerebral vascular disease | 10 (6) |
Chronic kidney disease | 6 (4) |
Liver cirrhosis | 3 (2) |
Arteriosclerosis obliterans | 2 (1) |
Use of anticoagulants and/or antiplatelet drugs | 51 (29) |
ASA-PS | |
Class 1/2 | 106 (64) |
Class 3 | 59 (36) |