Table 2.
Univariate analyses for local control (LC) and overall survival (OS)
| |
P value |
|
|---|---|---|
| Variables | LC | OS |
| Tumor site |
|
|
| Lower lobe vs. others |
0.25 |
0.16 |
| Gender |
|
|
| Female vs. others |
0.02* |
0.66 |
| T stage |
|
|
| T1a vs. others |
0.06 |
0.01* |
| Primary histology |
|
|
| Adenocarcinoma vs. others |
0.16 |
0.53 |
| Maximum amplitude of marker movement |
|
|
| ≥ 3 cm vs. < 3 cm |
0.06 |
0.16 |
| FDG-PET before SBRT (n) |
|
|
| yes vs. no |
0.03* |
0.30 |
| Dose prescription (n) |
|
|
| 48Gy/4fr at isocenter vs. 40Gy/4fr to the 95% volume of PTV | 0.35 | 0.38 |
*, significant (p < 0.05).