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Baseline characteristics
| Factor | N (%) |
|---|---|
| Gender | |
| Male | 170 (46) |
| Female | 196 (54) |
| KPS | |
| < 80 | 103 (28) |
| ≥ 80 | 263 (72) |
| History of Smoking | |
| Never | 37 (10) |
| Former | 290 (79) |
| Current | 39 (11) |
| Histology | |
| Adenocarcinoma | 257 (70) |
| Squamous cell | 99 (27) |
| NSCLC NOS | 10 (3) |
| T-Stage | |
| T1 | 297 (81) |
| T2 | 69 (19) |
| Age (range) | 77 (50–95) |
| Tumor size (cm) | 2.0 (range <0.5 to 5.0) |
| Median Radiation dose (cGy) |
4800 (IQR 4800 to 5400) |
