Table 4 Clinicopathological features according to the transverse location of early gastric cancer
Variables | Greater curvature | Lesser curvature | Anterior wall | Posterior wall | P-value |
|---|---|---|---|---|---|
Size (cm) | 2.02 ± 1.23 | 2.81 ± 2.13 | 2.55 ± 1.79 | 2.28 ± 1.45 | 0.001 |
Age (years) | 64.72 ± 11.56 | 63.26 ± 11.17 | 62.74 ± 0.89 | 60.59 ± 12.65 | 0.036 |
Sex | 0.343 | ||||
Male | 79 (76.7) | 172 (73.5) | 88 (66.7) | 105 (70.9) | |
Female | 24 (23.3) | 62 (26.5) | 44 (33.3) | 43 (29.1) | |
pT stage | 0.171 | ||||
1a | 66 (64.1) | 169 (72.2) | 82 (62.1) | 96 (64.9) | |
1b | 37 (35.9) | 65 (27.8) | 50 (37.9) | 52 (35.1) | |
Gross type | 0.275 | ||||
Elevated | 31 (30.1) | 46 (19.7) | 28 (21.2) | 30 (20.3) | |
Flat | 40 (38.8) | 88 (37.6) | 57 (43.2) | 61 (41.2) | |
Depressed | 32 (31.1) | 100 (42.7) | 47 (35.6) | 57 (38.5) | |
Histologic typea | 0.041 | ||||
WD | 49 (48.5) | 111 (47.6) | 43 (32.8) | 49 (33.6) | |
MD | 36 (35.6) | 61 (26.2) | 42 (32.1) | 45 (30.8) | |
PD / Signet ring cell carcinoma | 16 (15.9) | 61 (26.2) | 46 (35.1) | 52 (35.6) | |
Lymphatic invasion | 14 (13.6) | 20 (8.5) | 15 (11.4) | 15 (10.1) | 0.545 |
Venous invasion | 1 (1.0) | 1 (0.4) | 3 (2.3) | 2 (1.4) | 0.448 |
Perineural invasion | 0 (0) | 2 (0.9) | 2 (1.5) | 1 (0.7) | 0.638 |
Adenomatous background | 13 (12.6) | 46 (19.7) | 15 (11.4) | 16 (10.8) | 0.047 |
Lymph node metastasisb | 6 (15.0) | 6 (5.6) | 9 (11.1) | 12 (14.0) | 0.201 |