Table 2.
Multivariate Cox regression analysis for relapse-free survival.
| Variable | adjHR | 95% CI | p-Value | |
|---|---|---|---|---|
| D-loop | ||||
| Age | 0.75 | 0.27 | 2.15 | 0.598 |
| Sex | 1.01 | 0.97 | 1.05 | 0.672 |
| EGFR mutation | 0.99 | 0.35 | 2.79 | 0.985 |
| Tumor Size | 3.74 | 0.99 | 14.07 | 0.051 |
| Smoking Status | 1.23 | 0.40 | 3.82 | 0.716 |
| D-loop mutations | 0.18 | 0.04 | 0.82 | 0.027 |
| Complex I | ||||
| Age | 0.99 | 0.95 | 1.03 | 0.573 |
| Sex | 0.89 | 0.31 | 2.57 | 0.827 |
| EGFR mutation | 0.78 | 0.28 | 2.16 | 0.633 |
| Tumor Size | 4.23 | 1.10 | 16.19 | 0.035 |
| Smoking Status | 0.99 | 0.32 | 3.04 | 0.983 |
| Complex-I mutations | 0.97 | 0.37 | 2.56 | 0.958 |
| Complex IV | ||||
| Age | 0.65 | 0.21 | 2.09 | 0.474 |
| Sex | 0.98 | 0.95 | 1.02 | 0.418 |
| EGFR mutation | 0.89 | 0.30 | 2.61 | 0.826 |
| Tumor Size | 3.99 | 1.13 | 14.14 | 0.032 |
| Smoking Status | 1.49 | 0.46 | 4.75 | 0.505 |
| Complex-IV mutations | 3.69 | 1.34 | 10.18 | 0.012 |
| Complex V | ||||
| Age | 0.62 | 0.21 | 1.81 | 0.379 |
| Sex | 0.97 | 0.93 | 1.01 | 0.141 |
| EGFR mutation | 0.58 | 0.19 | 1.73 | 0.324 |
| Tumor Size | 5.89 | 1.59 | 21.88 | 0.008 |
| Smoking Status | 1.05 | 0.32 | 3.37 | 0.941 |
| Complex-V mutations | 6.63 | 2.06 | 21.33 | 0.002 |
| Complex IV and Complex V | ||||
| Age | 0.60 | 0.18 | 1.95 | 0.391 |
| Sex | 0.98 | 0.94 | 1.02 | 0.325 |
| EGFR mutation | 0.91 | 0.31 | 2.72 | 0.869 |
| Tumor Size | 4.31 | 1.22 | 15.21 | 0.023 |
| Smoking Status | 2.07 | 0.63 | 6.86 | 0.233 |
| Complex IV and V mutations | 8.63 | 2.52 | 29.57 | 0.001 |
| Risk Score | ||||
| Age | 0.98 | 0.94 | 1.02 | 0.337 |
| Sex | 0.65 | 0.21 | 1.99 | 0.447 |
| EGFR mutation | 1.17 | 0.37 | 3.68 | 0.786 |
| Tumor Size | 4.03 | 1.11 | 14.66 | 0.034 |
| Smoking Status | 2.27 | 0.66 | 7.78 | 0.194 |
| High risk group | 9.10 | 2.93 | 28.32 | <0.001 |
adjHR: adjusted hazard ratio, CI: confidence interval.