Table 1 The clinical features of individuals with OSCC on the basis of the TCGA database
Covariates | Type | Entire | Testing | Training | P value |
|---|---|---|---|---|---|
Age |  < = 65 | 200(63.29%) | 105(66.46%) | 95(60.13%) | 0.2935 |
 > 65 | 116(36.71%) | 53(33.54%) | 63(39.87%) |  | |
Gender | FEMALE | 95(30.06%) | 48(30.38%) | 47(29.75%) | 1 |
MALE | 221(69.94%) | 110(69.62%) | 111(70.25%) | Â | |
Grade | G1 | 49(15.51%) | 27(17.09%) | 22(13.92%) | 0.8556 |
G2 | 195(61.71%) | 94(59.49%) | 101(63.92%) | Â | |
G3 | 63(19.94%) | 32(20.25%) | 31(19.62%) | Â | |
G4 | 2(0.63%) | 1(0.63%) | 1(0.63%) | Â | |
unknow | 7(2.22%) | 4(2.53%) | 3(1.9%) | Â | |
Stage | Stage I | 20(6.33%) | 10(6.33%) | 10(6.33%) | 0.6784 |
Stage II | 53(16.77%) | 31(19.62%) | 22(13.92%) | Â | |
Stage III | 55(17.41%) | 27(17.09%) | 28(17.72%) | Â | |
Stage IV | 153(48.42%) | 75(47.47%) | 78(49.37%) | Â | |
unknow | 35(11.08%) | 15(9.49%) | 20(12.66%) | Â | |
T | T0 | 1(0.32%) | 1(0.63%) | 0(0%) | 0.435 |
T1 | 32(10.13%) | 19(12.03%) | 13(8.23%) | Â | |
T2 | 99(31.33%) | 52(32.91%) | 47(29.75%) | Â | |
T3 | 57(18.04%) | 24(15.19%) | 33(20.89%) | Â | |
T4 | 100(31.65%) | 52(32.91%) | 48(30.38%) | Â | |
unknow | 27(8.54%) | 10(6.33%) | 17(10.76%) | Â | |
M | M0 | 114(36.08%) | 57(36.08%) | 57(36.08%) | 1 |
unknow | 202(63.92%) | 101(63.92%) | 101(63.92%) | Â | |
N | N0 | 116(36.71%) | 68(43.04%) | 48(30.38%) | 0.2366 |
N1 | 46(14.56%) | 23(14.56%) | 23(14.56%) | Â | |
N2 | 97(30.7%) | 44(27.85%) | 53(33.54%) | Â | |
N3 | 3(0.95%) | 1(0.63%) | 2(1.27%) | Â | |
unknow | 54(17.09%) | 22(13.92%) | 32(20.25%) | Â |