Table 1.
Patient characteristics
| Factor | Conventional, n=127 n (%) |
SBRT, n=398 n (%) |
p-value |
|---|---|---|---|
| Median Age (range) | 74 (46–93) | 77 (50–95) | 0.060 |
| Gender | 0.11 | ||
| Male | 69 (54) | 182 (46) | |
| Female | 58 (46) | 216 (54) | |
| KPS | 0.058 | ||
| < 80 | 47 (37) | 110 (28) | |
| ≥ 80 | 80 (63) | 288 (72) | |
| History of Smoking | 0.005 | ||
| Never | 10 (8) | 34 (9) | |
| Former | 91 (72) | 326 (82) | |
| Current | 26 (20) | 38 (10) | |
| T-Stage | < 0.001 | ||
| T1 | 66 (52) | 321 (81) | |
| T2 | 61 (48) | 77 (19) | |
| Histology | < 0.001 | ||
| Adenocarcinoma | 77 (61) | 283 (71) | |
| Squamous cell | 32 (25) | 101 (25) | |
| NSCLC NOS | 18 (14) | 14 (4) | |
| PET staging | < 0.0001 | ||
| Yes | 96 (76) | 388 (97) | |
| No | 31 (24) | 10 (3) | |
| Median Radiation dose (Gy, range) | 75.6 (60–90) | 48 (45–60) | |
| Median BED (Gy, range) | 89.2 (72.0–108.0) | 105.6 (85.5–180.0) | < 0.001 |