Table 3.
Clinical features of patients in high-risk and low-risk groups and chi-square test between two groups.
| Covariates | Total | High-risk | Low-risk | p-value | |
|---|---|---|---|---|---|
| Survival status, no (%) | Alive | 310(67.83) | 126(55.51) | 184(80.00) | 3.70E-8 |
| Dead | 147(32.17) | 101(44.49) | 46(20.00) | ||
| Age, no (%) | <=65 | 303(66.3) | 145(63.60) | 158(69.00) | 0.23 |
| >65 | 154(33.7) | 83(36.40) | 71(31.00) | ||
| Gender, no(%) | Female | 153 (33.5) | 48(21.15) | 105(50.7) | 5.00E-8 |
| Male | 304(66.5) | 179(78.85) | 125(49.3) | ||
| Grade, no(%) | G1 | 7(1.53) | 1(0.44) | 6(2.61) | 4.27E-8 |
| G2 | 198(43.33) | 75(33.04) | 123(53.48) | ||
| G3 | 187(40.92) | 100(44.05) | 87(37.83) | ||
| G4 | 65(14.22) | 51(22.47) | 14(6.09) | ||
| Stage, no(%) | Stage I | 225(49.23) | 80(35.23) | 145(63.04) | 2.41E-10 |
| Stage II | 47(10.28) | 19(8.37) | 28(12.17) | ||
| Stage III | 109(23.85) | 75(33.04) | 34(14.78) | ||
| Stage IV | 76(16.63) | 53(23.35) | 23(10.00) | ||
| T group, no(%) | T1 | 231(50.55) | 84(37.00) | 147(63.91) | 1.00E-8 |
| T2 | 58(12.69) | 28(12.33) | 30(13.04) | ||
| T3 | 159(34.79) | 109(48.02) | 50(21.74) | ||
| T4 | 9(1.97) | 6(2.64) | 3(1.30) | ||
| Metastasis, no(%) | M0 | 383(83.81) | 175(77.09) | 208(90.43) | 1.81E-4 |
| M1 | 74(16.19) | 52(22.91) | 22(9.57) |