Table-I.
Demographics of 198 patients with early gastric cancer.
| Parameters | No. | LN(+) n (%) | LN(-) n (%) | X2 | p values |
|---|---|---|---|---|---|
| Age | |||||
| <60 years | 119 | 17(14.3) | 102(85.7) | 0.019 | 0.89 |
| ≥60years | 79 | 11(13.9) | 68(86.1) | ||
| Sex | |||||
| Male | 120 | 20(16.7) | 100(83.3) | 1.59 | 0.21 |
| Female | 78 | 8(10.3) | 70(89.7) | ||
| Tumor location | |||||
| Upperthird | 23 | 2(8.7) | 21(91.3) | 1.84 | 0.17 |
| Middlethird | 64 | 7(10.9) | 57(89.1) | ||
| Lowerthird | 111 | 19(17.1) | 92(82.9) | ||
| Tumor size | |||||
| >2cm | 43 | 11(27.9) | 32(72.1) | 4.78 | 0.028 |
| ≤2cm | 155 | 17(13.5) | 138(86.5) | ||
| Tumor numbers | |||||
| Multiple tumor | 42 | 7(16.7) | 35(83.3) | 0.28 | 0.59 |
| Single tumor | 156 | 21(13.5) | 135(86.5) | ||
| Depth of invasion | |||||
| Mucosa | 166 | 10(6.0) | 156(94.0) | 55.74 | 0.000 |
| Submucosal | 32 | 18(56.2) | 14(43.8) | ||
| Histologic type | |||||
| Differentiated | 91 | 6(6.6) | 85(93.4) | 7.91 | 0.005 |
| Nondifferentiated | 107 | 22(20.6) | 85(79.4) | ||
| Macroscopic type | |||||
| Elevated | 49 | 5(10.2) | 44(89.8) | 0.38 | 0.53 |
| Flat | 64 | 9(14.1) | 55(85.9) | ||
| Depressed | 85 | 14(16.5) | 71(83.5) | ||
| Vessel ambolus | |||||
| + | 32 | 9(28.1) | 23(71.9) | 6.15 | 0.01 |
| - | 166 | 19(11.4) | 147(88.6) | ||
| Local ulceration | |||||
| + | 117 | 22(18.8) | 95(81.2) | 5.12 | 0.024 |
| - | 81 | 6(7.4) | 75(92.6) |
LN(+):Lymph node metastasis positive;
LN(-): Lymph node metastasis negative.