Table 1 Patient characteristics
Factors | LG-E group | OG-E group | LG-NE group | LG-E vs OG-E | LG-E vs LG-NE |
|---|---|---|---|---|---|
(n = 45) | (n = 43) | (n = 329) | P-value | P-value | |
Age (years, mean ± SD) | 84 ± 3 | 84 ± 3 | 64 ± 11 | NS | < 0.01 |
Gender | |||||
Male | 34 (76%) | 30 (70%) | 220 (67%) | NS | NS |
Female | 11 (24%) | 13 (30%) | 109 (33%) | ||
Body mass index | 22 ± 3 | 21 ± 3 | 23 ± 3 | NS | NS |
Presence of symptom | 19 (42%) | 27 (63%) | 141 (43%) | < 0.05 | NS |
Previous endoscopic submucosal dissection | 11 (24%) | 1 ( 2%) | 39 (12%) | < 0.01 | < 0.05 |
Previous abdominal surgery | 11 (24%) | 8 (19%) | 98 (30%) | NS | NS |
Comorbidities | |||||
Overall comorbidity | 30 (67%) | 30 (70%) | 158 (48%) | NS | < 0.05 |
Cardiac disease | 8 (18%) | 10 (23%) | 39 (12%) | NS | NS |
Hypertension | 15 (33%) | 9 (21%) | 57 (17%) | NS | < 0.05 |
Diabetes mellitus | 4 (9%) | 3 (7%) | 34 (10%) | NS | NS |
Respiratory disease | 5 (11%) | 9 (21%) | 15 (5%) | NS | NS (0.08) |
Renal disease | 2 (4%) | 1 (2%) | 4 (1%) | NS | NS |
Cerebrovascular disease | 3 (7%) | 6 (14%) | 23 (7%) | NS | NS |
Operative method DG/PG/TG | 40 (89%)/3 (7%)/2 (4%) | 24 (56%)/0/19 (44%) | 277 (84%)/28 (9%)/24 (7%) | < 0.01 | NS |