Table 4.
Surgery (n=4555) | SBRT (n=4555) | P value |
|||
---|---|---|---|---|---|
Age (years) | 73.7 ± 8.2 | 73.8 ± 8.5 | 0.751 | ||
Female Gender | 2504 (55.0%) | 2556 (56.1%) | 0.282 | ||
Caucasian | 4166 (91.5%) | 4164 (91.4%) | 0.940 | ||
Urban Location | 3214 (70.6%) | 3193 (70.1%) | 0.646 | ||
Income >$35000/year | 3119 (68.5%) | 3139 (68.9%) | 0.651 | ||
Charlson/Deyo Score | 0 | 2525 (55.4%) | 0 | 2459 (54.0%) | 0.366 |
1 | 1378 (30.3%) | 1 | 1414 (31.0%) | ||
2 | 652 (14.3%) | 2 | 682 (15.0%) | ||
Tumor Size (mm) | 21.8 ± 9.4 | 21.9 ± 8.6 | 0.481 | ||
Clinical T stage | T1 | 3641 (79.9%) | T1 | 3647 (80.1%) | 0.896 |
T2 | 914 (20.1%) | T2 | 908 (19.9%) | ||
Facility Reporting Case | Nonacademic 2674 (58.7%) | Nonacademic 2726 (59.8%) | 0.268 | ||
Academic 1881 (41.3%) | Academic 1829 (40.2%) | ||||
Type of operation | Wedge 3745 (82.2%) | ||||
Segment 810 (17.8%) | |||||
Chemotherapy administered | 394 (8.7%) | 187 (4.2%) | <0.001 | ||
Radiation administered | 360 (7.9%) | 4555 (100%) | <0.001 | ||
Median radiation dose (cGy) | 5940 (n=256) | 5400 (n=4555) | |||
Median Survival (months) | 48.3 ± 1.2 | 33.9 ± 0.9 | <.001 |