Table 1 Characteristics of patients treated by endoscopic submucosal dissection or surgery
Characteristics | All patients (n = 41) | SSBEa (n = 30) | LSBEb (n = 11) | SSBE VS. LSBE P-value |
|---|---|---|---|---|
Age, median (range) | 67 (39-81) | 66 (39-88) | 68 (44-79) | 0.757 |
Sex (%) | ||||
Male | 32 (78.0) | 23 (76.7) | 9 (81.8) | 1.000 |
Female | 9 (22.0) | 7 (23.3) | 2 (18.2) | |
Body mass index (kg/m2), median (range) | 23.0 (16.7-32.6) | 23.1 (16.7-32.6) | 23.0 (16.7-32.6) | 0.596 |
Tumor size (mm), median (range) | 20 (6-60) | 17.5 (6-35) | 20 (10-60) | 0.223 |
Macroscopic type (%) | ||||
Protruding type | 31 (75.6) | 25 (83.4) | 6 (54.5) | 0.164 |
Flat type | 2 (4.9) | 1 (3.3) | 1 (9.1) | |
Depressed type | 8 (19.5) | 4 (13.3) | 4 (36.4) | |
Initial treatment (%) | ||||
Endoscopic submucosal dissection (ESD) | 13 (31.7) | 12 (40.0) | 1 (9.1) | 0.127 |
Operation | 28 (68.3) | 18 (60.0) | 10 (90.9) | |
Histological type (%) | ||||
Well differentiated (tub1) | 21 (51.2) | 18 (60.0) | 4 (36.4) | 0.181 |
Moderately differentiated (tub2) | 17 (41.5) | 11 (36.7) | 5 (45.4) | |
Poorly differentiated (por) | 3 (7.3) | 1 (3.3) | 2 (18.2) | |