Table 1.
Characteristic | IT-CT (n = 342), n (%) | CT (n = 58,947), n (%) | P |
---|---|---|---|
Age, years, median (range) | 64 (21–86) | 66 (18–90) | 0.002 |
Male | 187 (54.7) | 32,058 (54.4) | 0.913 |
Race/Ethnicity | 0.008 | ||
White | 278 (81.3) | 44,770 (75.9) | |
Black | 21 (6.1) | 6960 (11.8) | |
Hispanic | 18 (5.3) | 2465 (4.2) | |
Other | 25 (7.3) | 4752 (8.1) | |
Primary insurance payor | 0.001 | ||
None | 4 (1.2) | 1744 (3.0) | |
Private | 168 (49.1) | 23,236 (39.4) | |
Medicare | 140 (40.9) | 29,183 (49.5) | |
Medicaid, other | 30 (8.8) | 4784 (8.1) | |
Education: <6.3% of population w/o high school diploma | 113 (33.5) | 15,862 (27.3) | 0.031 |
Income: ≥ $63,333 annual household income | 151 (45.1) | 22,149 (38.2) | 0.001 |
Charlson–Deyo score = 0 | 261 (76.3) | 40,639 (68.9) | 0.007 |
Facility type | <0.001 | ||
Community | 25 (7.5) | 4744 (8.1) | |
Comprehensive community | 97 (29.0) | 22,899 (39.3) | |
Academic/research | 189 (56.6) | 23,126 (39.7) | |
Integrated network | 23 (6.9) | 7537 (12.9) | |
Distance to hospital, miles, median (IQR) | 17.8 (6.7–46.6) | 10.1 (4.5–24.2) | <0.001 |
Tumor size, mm, median (IQR) | 40 (30–52) | 38 (30–51) | 0.520 |
Multiagent CT | 228 (66.7) | 37,043 (62.8) | 0.144 |
Single-agent CT | 114 (33.3) | 21,904 (37.2) |
Bold values indicate statistical significance.
CT, chemotherapy; IQR, interquartile range; IT, immunotherapy.