Table 1 Clinicopathological features of T1b2 gastric cancer.
Variables | Total 248 cases 254 lesion | ESD + additional surgery 101 cases 102 lesion | Surgery 147 cases 152 lesion | P value |
|---|---|---|---|---|
Sex | < 0.01 | |||
Male | 173 (70) | 80 (79) | 93 (63) | |
Female | 75 (30) | 21 (21) | 54 (37) | |
Age (years) | 67.8 ± 11.0 | 69.4 ± 10.1 | 67.0 ± 11.5 | 0.048 |
Location 1 | < 0.01 | |||
Upper third | 62 (24) | 30 (30) | 32 (21) | |
Middle third | 118 (47) | 32 (31) | 86 (57) | |
Lower third | 68 (27) | 37 (36) | 31 (20) | |
Remnant stomach | 6 (2) | 3 (3) | 3 (2) | |
Location 2 | n.s | |||
Anterior | 50 (20) | 17 (17) | 33 (22) | |
Posterior | 61 (24) | 21 (21) | 40 (26) | |
Greater curvature | 63 (25) | 27 (26) | 36 (24) | |
Lesser curvature | 80 (31) | 37 (36) | 43 (28) | |
Tumor diameter (mm) | 29.5 ± 21.1 | 24.9 ± 18.0 | 32.6 ± 22.5 | < 0.01 |
Macroscopic type | 0.02 | |||
Elevated | 69 (27) | 36 (35) | 33 (22) | |
Depressed | 185 (73) | 66 (65) | 119 (78) | |
Main histopathological type | < 0.01 | |||
Differentiated | 159 (63) | 81 (79) | 78 (51) | |
Undifferentiated | 95 (37) | 21 (21) | 74 (49) | |
Depth of SM invasion (μm) | 1651 ± 1024 | 1348 ± 841 | 1855 ± 1087 | < 0.01 |
Lymphatic invasion | n.s | |||
Positive | 88 (35) | 30 (29) | 58 (38) | |
Negative | 166 (65) | 72 (71) | 94 (62) | |
Venous invasion | n.s | |||
Positive | 42 (17) | 16 (16) | 26 (17) | |
Negative | 212 (73) | 86 (84) | 126 (83) | |
Lymph node metastasis | n.s | |||
Positive | 41 (16) | 16 (16) | 25 (16) | |
Negative | 213 (84) | 86 (84) | 127 (84) | |
