Table 1 Demographic and baseline disease characteristics of samples in the TCGA-LIHC project
Covariates | Total | Training set | Testing set | P value* |
|---|---|---|---|---|
Age - no. (%) | Â | Â | Â | 1 |
 <=65 | 227(62.19%) | 114(61.96%) | 113(62.43%) |  |
 > 65 | 138(37.81%) | 70(38.04%) | 68(37.57%) |  |
Gender - no. (%) | Â | Â | Â | 0.9091 |
 Female | 119(32.6%) | 61(33.15%) | 58(32.04%) |  |
 Male | 246(67.4%) | 123(66.85%) | 123(67.96%) |  |
Grade - no. (%) | Â | Â | Â | 0.8485 |
 G1 | 55(15.07%) | 27(14.67%) | 28(15.47%) |  |
 G2 | 175(47.95%) | 92(50%) | 83(45.86%) |  |
 G3 | 118(32.33%) | 58(31.52%) | 60(33.15%) |  |
 G4 | 12(3.29%) | 5(2.72%) | 7(3.87%) |  |
 Unknow | 5(1.37%) | 2(1.09%) | 3(1.66%) |  |
Stage - no. (%) | Â | Â | Â | 0.163 |
 Stage I | 170(46.58%) | 79(42.93%) | 91(50.28%) |  |
 Stage II | 84(23.01%) | 41(22.28%) | 43(23.76%) |  |
 Stage III | 83(22.74%) | 44(23.91%) | 39(21.55%) |  |
 Stage IV | 4(1.1%) | 4(2.17%) | 0(0%) |  |
 Unknow | 24(6.58%) | 16(8.7%) | 8(4.42%) |  |