Table 3. Distribution of selected characteristics of the patient cohort.
| Cases n = 248 | ||||||
|---|---|---|---|---|---|---|
| n(%) | TT | TC | CC | χ2 | P | |
| Age(year) | <60 | 26(10.5) | 37(14.9) | 28(11.3) | 0.920 | 0.631 |
| ≥60 | 43(17.3) | 73(29.4) | 41(16.5) | |||
| sex | male | 58(23.3) | 94(37.9) | 59(23.8) | 0.079 | 0.961 |
| female | 11(4.4) | 16(6.5) | 10(4.0) | |||
| Grading | well- moderately differentiation | 53(21.4) | 85(34.3) | 51(20.6) | 0.283 | 0.868 |
| poorly differentiation | 16(6.5) | 25(10.1) | 18(7.3) | |||
| T Grade | T1–T2 | 37(5.6) | 49(12.5) | 20(3.6) | 8.820 | 0.012* |
| T3–T4 | 32(12.9) | 61(24.6) | 49(19.8) | |||
| TNM stage | I–II–III | 54(21.8) | 75(30.2) | 40(16.1) | 6.543 | 0.038* |
| IV | 15(6.0) | 35(14.1) | 29(11.7) | |||
| Location of the tumor | Epimere- midportion | 41(16.5) | 58(23.4) | 40(16.1) | 1.065 | 0.587 |
| hypomere | 28(11.3) | 53(21.4) | 29(11.7) | |||
| Length | <5 | 52(21.0) | 70(28.2) | 35(14.1) | 9.025 | 0.011* |
| ≥5 | 17(6.9) | 40(16.1) | 34(13.7) | |||
| Lymphnode metastasis | Yes | 34(13.7) | 65(26.2) | 35(14.1) | 2.066 | 0.356 |
| No | 35(14.1) | 45(18.1) | 34(13.7) | |||
| Nerve involvement | yes | 48(19.4) | 77(31.0) | 48(19.4) | 0.005 | 0.997 |
| no | 21(8.5) | 33(13.3) | 21(8.5) | |||
| Cardiac involvement | yes | 49(19.8) | 88(35.5) | 53(21.4) | 1.913 | 0.384 |
| no | 20(8.1) | 22(8.9) | 16(6.5) | |||
| Vascular tumor thrombus | yes | 58(23.4) | 85(34.3) | 56(22.6) | 1.282 | 0.527 |
| no | 11(4.4) | 25(10.1) | 23(9.3) | |||
*P < 0.05.