Table 1.
Clinical relevance of TANs in T1b gastric cancer.
| Clinicopathologic Features | TANs | χ2 | P | ||
|---|---|---|---|---|---|
| Low (n=137) (%) | High (n=120) (%) | ||||
| Gender | Male | 97 (53.0) | 86 (47.0) | 0.023 | 0.891 |
| Female | 40 (54.1) | 34 (45.9) | |||
| Age (year) | <65 | 76 (55.9) | 60 (44.1) | 0.565 | 0.384 |
| ≥65 | 61 (50.4) | 60 (49.6) | |||
| Tumor location in the stomach | Upper third | 36 (55.4) | 29 (44.6) | 0.170 | 0.934 |
| Middle third | 35 (52.2) | 32 (47.8) | |||
| Lower third | 66 (52.8) | 59 (47.2) | |||
| Tumor diameter (cm) | <2 | 55 (51.9) | 51 (48.1) | 0.365 | 0.854 |
| 2~3 | 47 (56.0) | 37 (44.0) | |||
| ≥3 | 35 (52.2) | 32 (47.8) | |||
| Macroscopic type | Elevated | 9 (31.0) | 20 (69.0) | 7.115 | 0.026 |
| Flat | 13 (65.0) | 7 (35.0) | |||
| Depressed | 115 (55.3) | 93 (44.7) | |||
| Depth of invasion | Sm1 | 38 (55.1) | 31 (44.9) | 0.041 | 0.779 |
| Sm2 | 99 (52.7) | 89 (47.3) | |||
| Lauren classification | Intestinal | 93 (57.1) | 70 (42.9) | 9.551 | 0.022 |
| Diffuse | 19 (67.9) | 9 (32.1) | |||
| Mixed | 19 (38.8) | 30 (61.2) | |||
| Not defined | 6 (35.3) | 11 (64.7) | |||
| Histological classification | Well | 31 (75.6) | 10 (24.4) | 10.798 | 0.004 |
| Moderately | 61 (46.6) | 70 (53.4) | |||
| Poorly | 45 (52.9) | 40 (47.1) | |||
| Lymphatic invasion | Absence | 114 (59.7) | 77 (40.3) | 11.179 | 0.001 |
| Presence | 23 (34.8) | 43 (65.2) | |||
| Perineural invasion | Absence | 129 (53.5) | 112 (46.5) | 0.000 | 0.802 |
| Presence | 8 (50.0) | 8 (50.0) | |||
| H. pylori infection | Absence | 101 (54.3) | 85 (45.7) | 0.142 | 0.675 |
| Presence | 36 (50.7) | 35 (49.3) | |||
| Lymph node metastasis | Absence | 120 (61.2) | 76 (38.8) | 19.476 | 0.000 |
| Presence | 17 (27.9) | 44 (72.1) | |||