Table 2.
Local control and survival analysis.
| Characteristics | Local control | Overall survival | ||
|---|---|---|---|---|
| 2-year | p-value | 2-year | p-value | |
| Age (years) < 75 ≥ 75 |
69.2% 88.3% |
0.893 | 71.4% 83.1% |
0.584 |
| Smoking < 30 ≥ 30 |
100% 64.7% |
0.045 | 85.7% 72.7% |
0.470 |
| Underlying lung disease Non-ILD ILD (IPF or CPFE) |
85.7% 60.0% |
0.175 | 87.1% 60.6% |
0.134 |
| Clinical T-stage T1 T2-3 |
85.7% 51.4% |
0.062 | 85.7% 65.8% |
0.189 |
| Histology Adenocarcinoma Squamous cell carcinoma Not proven |
75.0% 66.7% 80.0% |
0.389 | 78.8% 100% 63.6% |
0.295 |
| Tumor location Upper or middle lobe Lower lobe |
70.0% 79.0% |
0.982 | 80.0% 74.7% |
0.751 |
| Clinical target volume < 47.5 cc ≥ 47.5 cc |
100% 57.8% |
0.013 | 80.0% 74.7% |
0.665 |
| Breath control Free breathing Gating or BH |
71.4% 66.7% |
0.618 | 80.7% 70.0% |
0.528 |
ILD, interstitial lung disease; IPF, idiopathic pulmonary fibrosis; CPFE, combined pulmonary fibrosis and emphysema; BH, breath holding technique.