Table 1.
Relevant Features. p <= 0.05 and Generalization Score > 0.75.
| Categories | Features | Thresholds | Percent of pneumonitis (N=201) |
|---|---|---|---|
| Comorbidities | 1.DLCO adj %* | < 38.5 | 23.5% vs 1.6% |
| 2. Referring Provider | Pulmonology + Thoracic Surgery and Pulmonology | 10.8% vs 2.4% | |
| Dosimetric Indices | 1. Chest Wall Dose to 30 cc | >2498.8 cGy | 8.9% vs 0.8% |
| 2. Skin Dose to 10 cc | >1387 cGy | 11.8% vs 1.3% | |
| 3. Lung Dose 1 - 10% | >701.2 cGy | 7.8% vs 0% | |
| 4. Lung Mean Dose | >264.6 cGy | 7.6% vs 0% | |
| 5. Heart Dose to 15 cc | >83.2 cGy | 7.5 vs 0% | |
| 6. Heart Dmax | >114.8 cGy | 3.7% vs 0% | |
| 7. Trachea/Bronchus Dose to 4 cc | >34.85 cGy | 5.7% vs 0% | |
| 8. Rib Dmax | >5423.85 cGy | 7.1% vs 1.7% | |
| 9. Trachea/Bronchus Dose to 4 cc | >25 cGy | 6.6% vs 0% | |
| 10. Lung Dose 2–15% | >316.7 | 6.6% vs 0% | |
| Fractionation | 1. Number of Fractions | 3 or 5 vs. 4 | 6.9% vs 1.8% |
| 2.Dose per Fraction | 1000+2000 cGy | 6.9% vs 1.8% | |
| Risk Factors | 1.Marial Status | Married or Divorced | 6.3% vs 0% |
| 2. Race | White | 5.9% vs 0% | |
| 3. Weight | >153 lbs | 6.6% vs 0% | |
| Staging | 1. Tumor Size (cm) | >3.45 | 25.0% vs 2.6% |
| 2. PTV Volume (cc) | >32.8 | 11.5% vs 0.7% | |
| Tumor Location | Tumor location. R= right, L = left + Upper, Medium, Lower |
LL+RLL+RUL | 6.1% vs 0% |
*
Feature with missing values. There is less than a 50% chance that the p values of the bolded features (p ≤ 0.011) happened randomly.