Table 1. Patient and lesion characteristics.
| Characteristic | Number | Percentage |
|---|---|---|
| Gender | ||
| Male | 86 | 65.6 |
| Female | 45 | 34.4 |
| Total | 131 | 100 |
| Mean Age (range) | ||
| Male | 68 ± 10 (24–86) | - |
| Female | 67 ± 10 (45–81) | - |
| Total | 67 ± 10 (24–86) | - |
| Smoking status | ||
| Current/former smoker | 99 (22/77) | 75.8 |
| Never smoker | 32 | 24.2 |
| Location | ||
| Right lobe (RUL/RML/RLL) | 81 (48/11/22) | 61.8 |
| Left lobe (LUL/LLL) | 50 (32/18) | 38.2 |
| Pathology | ||
| Adenocarcinoma | 131 | 100.0 |
| Clinical and pathological staging | ||
| IA | 66 | 50.4 |
| IB | 26 | 19.8 |
| IIA | 12 | 9.2 |
| IIB | 10 | 7.6 |
| IIIA | 12 | 9.2 |
| IV | 2 | 1.5 |
| Undefined | 3 | 2.3 |
| Gene mutation (positive/negative/N/A) | ||
| EGFR | 32/95/4 | - |
| KRAS | 31/95/5 | - |
RUL: right upper lobe, RML: right middle lobe, RLL: right lower lobe, LUL: left upper lobe, LLL: left lower lobe