TABLE 1.
Baseline patient characteristics in TCGA cohort
| Variables | Patients | OS | |||
|---|---|---|---|---|---|
| (n = 438) | No. of events | MST (days) | HR(95%CI) | Log-rank P | |
| Age (years) | |||||
| ≤65 | 175 | 29 | NA | 1 | 0.062 |
| >65 | 261 | 68 | 2,134 | 0.064 (0.429–1.024) | — |
| Missing* | 2 | — | — | — | — |
| Sex | |||||
| Male | 234 | 54 | 2,475 | 1 | 0.545 |
| Female | 204 | 44 | NA | 0.884 (0.593–1.318) | — |
| TNM stage | |||||
| I | 73 | 4 | NA | 1 | <0.001 |
| II | 167 | 27 | 2,821 | 2.240 (0.781–6.421) | — |
| III | 126 | 31 | NA | 4.068 (1.434–11.538) | — |
| IV | 61 | 31 | 858 | 11.291 (3.980–32.026) | — |
| Missing# | 11 | — | — | — | — |
Notes: Missing*, information of age was unknown in 2 patients; Missing#, information of TNM stage was not reported in 10 patients; TCGA, The Cancer Genome Atlas; OS, overall survival; MST, median survival time; 95 % CI, 95 % confidence interval; HR, hazards ratio; NA, not available.