Clinicopathological parameter | Grouping | CD133 protein expression | χ2value | P value | |
---|---|---|---|---|---|
 |  | positive | negative |  |  |
Gender | male | 18(18.18) | 51(51.52) | 1.130 | 0.288 |
 | female | 11(11.11) | 19(19.19) |  |  |
Age(year) | ≤ 60 | 9(9.09) | 30(30.30) | 1.200 | 0.273 |
 | > 60 | 20(20.20) | 40(40.40) |  |  |
Tumor diameter(cm) | ≤ 5 | 17(17.17) | 40(40.40) | 4.175 | 0.041 |
 | > 5 | 12(12.12) | 10(10.10) |  |  |
Histological grade | 1 | 5(5.05) | 16(16.16) | 2.030 | 0.566 |
 | 2 | 13(13.13) | 27(27.27) |  |  |
 | 3 | 11(11.11) | 27(27.27) |  |  |
Invasion depth | T 1 | 0(0.00) | 11(11.11) | 6.116 | 0.106 |
 | T 2 | 6(6.06) | 17(17.17) |  |  |
 | T 3 | 10(10.10) | 21(21.21) |  |  |
 | T 4 | 13(13.13) | 21(21.21) |  |  |
Lymph node metastasis | N 0 | 3(3.03) | 27(27.27) | 10.227 | 0.017 |
 | N 1 | 15(15.15) | 20(20.20) |  |  |
 | N 2 | 7(7.07) | 19(19.19) |  |  |
 | N 3 | 4(4.04) | 4(4.04) |  |  |
TNM stage | II | 2(2.02) | 19(19.19) | 8.108 | 0.044 |
 | III | 4(4.04) | 10(10.10) |  |  |
 | IV | 13(13.13) | 31(31.31) |  |  |
 | IV | 10(10.10) | 10(10.10) |  |  |
Lymphatic vessel infiltration | positive | 28(28.28) | 27(27.27) | 27.636 | 0.000 |
 | negative | 1(1.01) | 43(43.43) |  |  |
Vascular infiltration | positive | 28(28.28) | 15(15.15) | 46.624 | 0.000 |
 | negative | 1(1.01) | 55(55.56) |  |  |