Table 1 Clinical information of LUAD and LUSC in TCGA datasets
Variables | LUAD (522) | LUSC (504) | ||
|---|---|---|---|---|
Number | Percentage (%) | Number | Percentage (%) | |
Age | Â | Â | Â | Â |
 < 65 | 223 | 42.72 | 170 | 33.73 |
 ≥ 65 | 280 | 53.64 | 325 | 64.48 |
 Unknow | 19 | 3.64 | 9 | 1.79 |
Gender | Â | Â | Â | Â |
 Male | 242 | 46.36 | 373 | 74.01 |
 Female | 280 | 53.64 | 131 | 25.99 |
Survival status | 242 | 46.36 | Â | Â |
 Alive | 334 | 63.98 | 286 | 56.75 |
 Dead | 188 | 36.02 | 218 | 43.25 |
Survival time/days | 902.51 ± 891.28 |  | 968.42 ± 957.61 |  |
Clinical stage | Â | Â | Â | Â |
 Stage I–II | 403 | 77.20 | 408 | 80.95 |
 Stage III–IV | 111 | 21.26 | 92 | 18.25 |
 Unknow | 8 | 1.53 | 4 | 0.79 |
T stage | Â | Â | Â | Â |
 I–II | 453 | 86.78 | 409 | 81.15 |
 III–IV | 66 | 12.64 | 95 | 18.85 |
 TX | 3 | 0.57 |  |  |
N stage | Â | Â | Â | Â |
 N0 | 335 | 64.18 | 320 | 63.49 |
 NX | 11 | 2.11 | 6 | 1.19 |
 N1–3 | 175 | 33.52 | 178 | 35.32 |
 Unknow | 1 | 0.19 |  |  |
M stage | Â | Â | Â | Â |
 M0 | 353 | 67.62 | 414 | 82.14 |
 M1 | 25 | 4.79 | 7 | 1.39 |
 MX | 140 | 26.82 | 79 | 15.67 |
 Unknow | 4 | 0.77 | 4 | 0.79 |