Table 1 Patient characteristics and demographics
Variable (N) | N (%) |
|---|---|
Patients enrolled | 11457 |
Gender (11345) | Â |
      Male | 5836 (51%) |
      Female | 5509 (49%) |
Median age (range), years | 67 (7 – 100) |
Age groups (10886) | Â |
      < 20 | 21 (0.2%) |
      20 – 29 | 115 (1.1%) |
      30 – 39 | 235 (2.2%) |
      40 – 49 | 829 (7.6%) |
      50 – 59 | 1879 (17.3%) |
      60 – 69 | 3083 (28.3%) |
      70 – 79 | 3183 (29.2%) |
      ≥ 80 | 1541 (14.2%) |
Median weight (pounds) | 170 |
Median height (inches) | 67 |
Median Karnofsky score (range) | 90 (10–100) |
Race/ethnicity (10352) | Â |
      Caucasian | 9269 (89.5%) |
      Black/African American | 682 (6.6%) |
      Hispanic | 185 (1.8%) |
      Asian | 83 (0.8%) |
      Pacific-Asian Islander | 13 (0.1%) |
      Other | 51 (0.5%) |
      Don’t know | 69 (0.7%) |
Primary health insurance (10547) | Â |
      Private | 40% |
      Medicare | 54.4% |
      Self-pay/none | 0.7% |
Patients not treated with SRS/SBRT | 1060 (9%) |
Reason for not completing SRS/SBRT (1060) | Â |
      SRS/SBRT determined not clinically appropriate after further review | 272 (25.7%) |
      Patient has extensive disease | 226 (21.3%) |
      Patient declined SRS/SBRT | 148 (14.0%) |
      Watchful waiting indicated | 109 (10.3%) |
      Payment not pre-authorized | 53 (5.0%) |
      Alternative insurance-covered treatment elected | 44 (4.2%) |
      Other | 29 (2.7%) |
      Patient not able to tolerate SRS/SBRT | 16 (1.5%) |
      Co-morbidities rule out SRS/SBRT | 15 (1.4%) |