Table 1 Multivariable logistic analysis with the probability of being treated in academic hospital in BMs patients
Variable | Academic 31,579 (34.1%) | Non-academic 61,054 (65.9%) | Total 92,633 | OR (95% CI) | P | |
|---|---|---|---|---|---|---|
Age at diagnosis, Median (range) | 64.00 (40–90) | 66.00 (40–90) | 65.00 (40–90) | 0.99 (0.99–0.99) | 0.001 | |
Sex | Male | 15,998 (50.7) | 31,130 (51.0) | 47,128 (50.9) | Reference | Â |
Female | 15,581 (49.3) | 29,924 (49.0) | 45,505 (49.1) | 1.02 (0.99–1.05) | 0.23 | |
Race | White | 24,790 (79.4) | 53,343 (87.9) | 78,133 (85.0) | Reference | Â |
Black | 5005 (16.0) | 5596 (9.2) | 10,601 (11.5) | 1.94 (1.86–2.03) | 0.001 | |
Other | 1429 (4.6) | 1785 (2.9) | 3214 (3.5) | 1.58 (1.47–1.70) | 0.001 | |
Unknown | 355 | 330 | 685 | Â | Â | |
Education | > = 13% NHD | 15,228 (48.3) | 28,622 (47.0) | 43,850 (47.4) | 1.07 (1.04–1.11) | 0.001 |
< 13% NHD | 16,276 (51.7) | 32,304 (53.0) | 48,580 (52.6) | Reference |  | |
Unknown | 75 | 128 | 203 | Â | Â | |
Income | > = $35,000 | 17,473 (55.5) | 32,571 (53.5) | 50,044 (54.2) | Reference |  |
< 35,000 | 14,005 (44.5) | 28,319 (46.5) | 42,324 (45.8) | 0.84 (0.81–0.87) | 0.001 | |
Unknown | 101 | 164 | 265 | Â | Â | |
Place of Living | Urban | 30,510 (98.2) | 57,724 (97.3) | 88,234 (97.6) | Reference | Â |
Rural | 547 (1.8) | 1597 (2.7) | 2144 (2.4) | 0.73 (0.66–0.80) | 0.001 | |
Unknown | 522 | 1733 | 2255 | Â | Â | |
Insurance Status | Yes | 29,057 (96.5) | 56,998 (97.3) | 86,055 (94.4) | Reference | Â |
No | 1934 (3.5) | 3195 (2.7) | 5129 (5.6) | 1.04 (0.98–1.11) | 0.17 | |
Unknown | 588 | 861 | 1449 | Â | Â | |
Charlson/Deyo Score | 0 | 21,032 (66.6) | 36,986 (60.6) | 58,018 (62.6) | Reference | Â |
1 | 7132 (22.6) | 16,130 (26.4) | 23,262 (25.1) | 0.82 (0.79–0.84) | 0.001 | |
> = 2 | 3415 (10.8) | 7938 (13.0) | 11,353 (12.3) | 0.81 (0.77–0.85) | 0.001 | |
Primary site surgery | Yes | 1061 (3.4) | 1604 (2.6) | 2665 (2.9) | Ref | Â |
No | 30,518 (95.6) | 59,450 (97.4) | 89,968 (97.1) | 0.90 (0.83–0.98) | 0.02 | |
Chemotherapy | Yes | 17,687 (56.0) | 32,419 (53.1) | 50,106 (54.1) | Reference | Â |
No | 13,892 (44.0) | 28,635 (46.9) | 42,527 (45.9) | 0.96 (0.93–0.99) | 0.007 | |
Radiation Therapy | Yes | 23,373 (74.0) | 43,737 (71.6) | 67,110 (72.5) | Reference | Â |
No | 8206 (26.0) | 17,317 (28.4) | 25,523 (27.5) | 0.96 (0.93–0.99) | 0.02 | |
Immunotherapy | Yes | 1217 (3.9) | 1811 (3.0) | 3028 (3.3) | Ref | Â |
No | 30,362 (96.1) | 59,243 (93.0) | 89,605 (96.7) | 0.90 (0.83–0.97) | 0.009 | |
Year of Diagnosis | 2010–2013 | 20,224 (64.0) | 40,100 (65.7) | 60,324 (65.1) | 0.93 (0.90–0.96) | 0.001 |
2014–2015 | 11,355 (36.0) | 20,954 (34.3) | 32,309 (34.9) | Reference |  | |
Primary Cancer Type | Breast | 14,141 (4.5) | 2522 (4.1) | 3936 (4.3) | 0.69 (0.62–0.77) | 0.001 |
NSCLC | 21,250 (67.3) | 39,575 (64.8) | 60,825 (65.7) | 0.76 (0.70–0.83) | 0.001 | |
SCLC | 4406 (14.0) | 10,378 (17.0) | 14,784 (15.9) | 0.64 (0.59–0.70) | 0.001 | |
Other lung | 1779 (5.6) | 4450 (8.0) | 6229 (6.7) | 0.65 (0.59–0.72) | 0.001 | |
Melanoma | 1224 (3.9) | 1825 (2.3) | 3049 (3.3) | 1.02 (0.92–1.15) | 0.67 | |
Colorectal | 393 (1.2) | 726 (1.2) | 1119 (1.2) | 0.74 (0.64–0.86) | 0.001 | |
Renal cell | 1113 (3.5) | 1578 (2.6) | 2691 (2.9) | Ref | Â | |