Table 1. Baseline characteristics of BMs patients who received SRS or SRT.
Shows the frequency and proportion of baseline characteristics by SRS and SRT.
| Variable | SRS N (%) 5,423 (77.9) |
SRT N (%) 1,538 (22.1) |
Total 6,961 |
|
|---|---|---|---|---|
| Age at diagnosis, Median (range) | 65.0 (21–90) | 65.0 (24–90) | 65.0 (21–90) | |
| Sex | Male | 2,733 (50.4) | 786 (51.1) | 3,519 (50.6) |
| Female | 2,690 (49.6) | 752 (48.9) | 3,442 (49.5) | |
| Race | White | 4,580 (85.2) | 1,307 (85.8) | 5,887 (85.4) |
| Black | 588 (10.9) | 155 (10.2) | 743 (10.8) | |
| Other | 205 (3.8) | 62 (4.1) | 267 (3.9) | |
| Unknown | 50 | 14 | 64 | |
| Education NHSD |
>=13% | 2,178 (40.2) | 652 (42.5) | 2,830 (40.7) |
| (No High School Degree) | <13% | 3,235 (49.8) | 881 (57.5) | 4,116 (59.3) |
| Unknown | 10 | 5 | 15 | |
| Income | >=$35,000 | 3,310 (61.2) | 944 (61.6) | 4,254 (61.3) |
| <35,000 | 2,101 (38.8) | 589 (38.4) | 2,690 (38.7) | |
| Unknown | 12 | 5 | 17 | |
| Place of Living | Urban | 5,175 (98.1) | 1,477 (98.8) | 6,652 (98.3) |
| Rural | 98 (1.9) | 18 (1.2) | 116 (1.7) | |
| Unknown | 150 | 43 | 193 | |
| Hospital Type | Academic | 2,501 (46.8) | 699 (46.1) | 3,200 (46.7) |
| Community | 2,843 (53.2) | 817 (53.9) | 3,660 (53.4) | |
| Unknown | 79 | 22 | 101 | |
| Insurance Status | Yes | 5,197 (96.9) | 1,477 (97.2) | 6,674 (97.0) |
| No | 166 (3.1) | 43 (2.8) | 209 (3.0) | |
| Unknown | 60 | 16 | 78 | |
| Charlson/Deyo Score | 0 | 3,686 (68.0) | 976 (63.5) | 4,662 (67.0) |
| 1 | 1,209 (22.3) | 380 (24.7) | 1,589 (22.8) | |
| >=2 | 528 (9.7) | 182 (11.8) | 710 (10.2) | |
| Chemotherapy | Yes | 3,979 (73.4) | 1,045 (68.0) | 5,024 (72.2) |
| No | 1,444 (26.6) | 493 (32.1) | 1,937 (27.8) | |
| Immunotherapy | Yes | 406 (7.5) | 123 (8.0) | 529 (7.6) |
| No | 5,017 (92.5) | 1,415 (92.0) | 6,432 (92.4) | |
| Cancer Type | Breast | 127 (2.3) | 44 (2.9) | 171 (2.5) |
| NSCLC | 4,407 (81.3) | 1,188 (77.2) | 5,595 (80.4) | |
| SCLC | 162 (3.0) | 42 (2.7) | 204 (2.9) | |
| Other Lung | 159 (2.9) | 63 (4.1) | 222 (3.2) | |
| Melanoma | 320 (5.9) | 120 (8.4) | 449 (6.5) | |
| CRC | 45 (0.8) | 22 (1.4) | 67 (1.0) | |
| Renal Cell | 203 (3.7) | 50 (3.3) | 253 (3.6) | |
| Year of Diagnosis | 2010–2013 | 2,931 (54.1) | 709 (46.1) | 3,640 (52.3) |
| 2014–2015 | 2,492 (46.0) | 829 (53.9) | 3,321 (47.7) |