Table 1.
Patient characteristics.
| Characteristic | N or Median | % or IQR |
|---|---|---|
| Age at operation, years | 59 | 53.8–65.3 |
| Sex | ||
| Male | 15 | 34.1% |
| Female | 29 | 65.9% |
| Smoking history | ||
| Never smoked | 31 | 70.5% |
| Former smoker | 12 | 27.3% |
| Current smoker | 1 | 2.3% |
| Smoking, pack-years | 0 | 0–19.3 |
| ECOG | ||
| 0 | 36 | 81.8% |
| 1 | 8 | 18.2% |
| PFT | ||
| FEV1, L | 2.27 | 2.0–2.7 |
| FEV1, % predicted | 92.0% | 83.5–101.0% |
| DLCO, mL/mmHg/min | 17.1 | 15.4–19.6 |
| DLCO, % predicted | 93.0% | 77.0–100.0% |
| Primary tumor location | ||
| RUL | 10 | 22.7% |
| RML | 3 | 6.8% |
| RLL | 14 | 31.8% |
| LUL | 6 | 13.6% |
| LLL | 11 | 25.0% |
| Clinical stage at diagnosis a | ||
| IIIB | 4 | 9.1% |
| IIIC | 1 | 2.3% |
| IVA | 15 | 34.1% |
| IVB | 24 | 54.5% |
| Metastasis sites at diagnosis | ||
| Brain | 10 | 22.7% |
| Bone | 6 | 13.6% |
| Lymph nodes | 6 | 13.6% |
| Intrathoracic organs | 5 | 11.4% |
| Multiple organs | 17 | 38.6% |
| Number of distant metastasis at diagnosis | ||
| 0 | 5 | 11.4% |
| 1–2 | 12 | 27.3% |
| 3–5 | 10 | 22.7% |
| >5 | 17 | 38.6% |
| Combined brain metastasis at diagnosis | 22 | 50.00% |
| Mutational profile at diagnosis | ||
| EGFR mutation | 32 | 72.7% |
| ALK fusion | 11 | 25.0% |
| ROS1 fusion | 1 | 2.3% |
a as per the 8th edition of the TNM classification of lung cancer.