Table 1.
Patient characteristics
| Characteristics | Value |
|---|---|
| Age (years) |
|
| Median |
78 |
| Range |
47-90 |
| Gender (n) |
|
| Male |
74 |
| Female |
35 |
| Histology (n) |
|
| Adenocarcinoma |
65 |
| Squamous cell carcinoma |
29 |
| Large cell carcinoma |
1 |
| Unclassified NSCLC |
8 |
| Histologically unproved |
6 |
| Tumor size (mm) |
|
| Median |
22 |
| Range |
7-65 |
| Tumor site (n) |
|
| Upper lobe |
50 |
| Middle lobe |
13 |
| Lower lobe |
46 |
| T stage (n) |
|
| T1a |
47 |
| T1b |
32 |
| T2 |
30 |
| FDG-PET before SBRT (n) |
|
| yes |
71 |
| no |
38 |
| Dose prescription (n) |
|
| 48Gy/4fr at isocenter |
30 |
| 40Gy/4fr to the 95% volume of PTV | 79 |
Abbreviation: NSCLC, non-small cell lung cancer.