Submucosal injection | Subserosal injection | p value | |
---|---|---|---|
Number of patients | 43 (38) | 20 (14) | |
Age (mean ± SD) | 63 ± 8 (63 ± 8) | 61 ± 15 (61 ± 16) | p = 0.61 (0.64) |
Sex | p = 0.62 (0.75) | ||
Male | 28 (27) | 15 (10) | |
Female | 15 (11) | 5 (4) | |
Tumor size (mean ± SD) | 2.8 ± 1.8 (2.7 ± 1.3) | 2.8 ± 1.3 (2.6 ± 1.5) | p = 0.71(0.44) |
Histology | p = 0.89 (0.92) | ||
Differentiated | 25 (23) | 12 (8) | |
Undifferentiated | 18 (15) | 8 (6) | |
Depth | p = 0.62 (0.98) | ||
M | 18 | 6 | |
SM | 20 | 8 | |
MP | 4 | 4 | |
SS | 1 | 2 | |
Lymph node metastasis | |||
Japanese classification | p = 0.46 (0.84) | ||
N0 | 36 (32) | 13 (11) | |
N1 | 6 (6) | 6 (2) | |
N2 | 1 (0) | 1 (1) | |
UICC classification | p = 0.18 (0.69) | ||
N0 | 36 (32) | 13 (11) | |
N1 | 7 (6) | 7 (3) | |
Lymphatic invasion | p = 0.68 (0.91) | ||
ly0 | 27 (27) | 8 (8) | |
ly1 | 12 (9) | 8 (4) | |
ly2 | 3 (2) | 3 (1) | |
ly3 | 1 (0) | 1 (1) | |
Surgical procedure | p = 0.68 (0.72) | ||
Partial gastrectomy | 2 (1) | 3 (3) | |
Sleeve gastrectomy | 13 (12) | 8 (8) | |
Pylorus preserving gastrectomy | 6 (6) | 3 (0) | |
Distal gastrectomy | 13 (12) | 6 (3) | |
Proximal gastrectomy | 6 (5) | 0 (0) | |
Total gastrectomy | 3 (2) | 0 (0) |