Clinical feature | Total patients (n = 803) | TCGA (n = 377) | GSE21501 (n = 426) | |||
---|---|---|---|---|---|---|
Number | % | Number | % | Number | % | |
Age | Â | Â | Â | Â | Â | Â |
 ≤ 65 y | 456 | 56.79 | 176 | 46.68 | 280 | 65.73 |
 > 65 y | 347 | 43.21 | 201 | 53.32 | 146 | 34.27 |
Sex | Â | Â | Â | Â | Â | Â |
 Female | 265 | 33.00 | 130 | 34.48 | 135 | 31.69 |
 Male | 538 | 67.00 | 247 | 65.52 | 291 | 68.31 |
Follow-up status | Â | Â | Â | Â | Â | Â |
 Alive | 451 | 56.16 | 227 | 60.21 | 224 | 55.58 |
 Dead | 352 | 43.84 | 150 | 39.79 | 202 | 47.42 |
Grade | Â | Â | Â | Â | Â | Â |
 1–2 | 135 | 16.81 | 135 | 35.81 | 0 | 0 |
 3 | 242 | 30.14 | 242 | 64.19 | 0 | 0 |
 Unknown | 426 | 53.05 | 0 | 0 | 426 | 100 |
Stage T | Â | Â | Â | Â | Â | Â |
 1–2 | 147 | 18.31 | 98 | 25.99 | 49 | 11.50 |
 3–4 | 656 | 81.69 | 279 | 74.01 | 377 | 88.50 |
Stage N | Â | Â | Â | Â | Â | Â |
 N0 | 196 | 24.41 | 116 | 30.77 | 80 | 18.78 |
 N1–3 | 607 | 75.59 | 261 | 69.23 | 346 | 81.22 |