Table 1.
List of all features selected for analysis. Each feature selected for analysis is listed and broken down by classification as a highly important or important feature
| Highly important features | Chest wall dose to 30 cc |
| Rib dose to 1 cc | |
| Rib dose max | |
| Medically inoperable vs patient refusal | |
| Dose per fraction | |
| Age | |
| Body mass index | |
| Tumor size (cm) | |
| PTV volume (cc) | |
| Age at first fraction | |
| Important features | Total dose |
| Diabetes (Y/N) | |
| Diffusion capacity of the lung for carbon monoxide (DLCO adj%) | |
| Forced expiratory volume (FEV1(L)) | |
| Decadron/prednisone use | |
| TNM status | |
| Stage | |
| Histology | |
| Lung mean dose | |
| Lung dose to 1000 cc | |
| Lung volume receiving 10 Gy | |
| Number of fractions |