Table 1.
Demographics and baseline characteristics by COST toxicity grade.
| Overall | COST grade | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Grade 0 | Grade 1 | Grade 2 | |||||||
| N | (%) | N | (%) | N | (%) | N | (%) | p -value | |
| Age at survey | 0.2421 | ||||||||
| Treatment median, Y (range) | 70 | (47–90) | |||||||
| Median, Y (range) | 76 | (54–92) | |||||||
| <50 | 0 | (0.0%) | 0 | (0.0%) | 0 | (0.0%) | 0 | (0.0%) | |
| 51–64 | 26 | (7.8%) | 17 | (6.7%) | 4 | (17.4%) | 1 | (33.3%) | |
| 65–75 | 134 | (40.4%) | 109 | (42.7%) | 12 | (52.2%) | 0 | (0.0%) | |
| >75 | 172 | (51.8%) | 129 | (50.6%) | 7 | (30.4%) | 2 | (66.7%) | |
| Marital status | 0.3433 | ||||||||
| Single | 30 | (9.1%) | 20 | (7.9%) | 3 | (13.0%) | 1 | (33.3%) | |
| Married | 257 | (77.6%) | 197 | (77.6%) | 16 | (69.6%) | 2 | (66.7%) | |
| Widowed | 22 | (6.6%) | 19 | (7.5%) | 2 | (8.7%) | 0 | (0.0%) | |
| Divorced | 14 | (4.2%) | 11 | (4.3%) | 1 | (4.3%) | 0 | (0.0%) | |
| Long-term partner | 8 | (2.4%) | 7 | (2.8%) | 1 | (4.3%) | 0 | (0.0%) | |
| Employment status | 0.0045 | ||||||||
| Working | 87 | (26.8%) | 71 | (28.3%) | 7 | (30.4%) | 1 | (33.3%) | |
| Retired | 232 | (71.4%) | 179 | (71.3%) | 14 | (60.9%) | 1 | (33.3%) | |
| Disabled | 3 | (0.9%) | 0 | (0.0%) | 1 | (4.3%) | 1 | (33.3%) | |
| Unemployed | 3 | (0.9%) | 1 | (0.4%) | 1 | (4.3%) | 0 | (0.0%) | |
| Education | 0.0872 | ||||||||
| No HS diploma | 2 | (0.6%) | 0 | (0.0%) | 0 | (0.0%) | 0 | (0.0%) | |
| HS/GED | 22 | (6.7%) | 14 | (5.6%) | 3 | (13.0%) | 1 | (33.3%) | |
| College | 97 | (29.6%) | 74 | (29.4%) | 7 | (30.4%) | 1 | (33.3%) | |
| Graduate or professional | 207 | (63.1%) | 164 | (65.1%) | 13 | (56.5%) | 1 | (33.3%) | |
| Race | 0.0460 | ||||||||
| White or Caucasian | 264 | (80.2%) | 208 | (81.9%) | 15 | (65.2%) | 2 | (66.7%) | |
| Black or AA | 51 | (15.5%) | 34 | (13.4%) | 7 | (30.4%) | 0 | (0.0%) | |
| Latino or Hispanic | 4 | (1.2%) | 3 | (1.2%) | 1 | (4.3%) | 0 | (0.0%) | |
| Asian | 8 | (2.4%) | 7 | (2.8%) | 0 | (0.0%) | 1 | (33.3%) | |
| Other | 2 | (0.6%) | 2 | (0.8%) | 0 | (0.0%) | 0 | (0.0%) | |
| Income | <.0001 | ||||||||
| $0–14,999 | 4 | (1.3%) | 1 | (0.4%) | 0 | (0.0%) | 1 | (33.3%) | |
| $15,000–49,999 | 25 | (8.1%) | 15 | (6.2%) | 2 | (8.7%) | 1 | (33.3%) | |
| $50,000–99,000 | 65 | (21.1%) | 45 | (18.6%) | 11 | (47.8%) | 0 | (0.0%) | |
| $100,000–149,999 | 77 | (25.0%) | 62 | (25.6%) | 6 | (26.1%) | 1 | (33.3%) | |
| $150,000 or more | 137 | (44.5%) | 119 | (49.2%) | 4 | (17.4%) | 0 | (0.0%) | |
| Distance from hospital | 0.3180 | ||||||||
| 0–25 miles | 247 | (74.8%) | 191 | (75.5%) | 15 | (65.2%) | 3 | (100.0%) | |
| 26–50 miles | 29 | (8.8%) | 19 | (7.5%) | 3 | (13.0%) | 0 | (0.0%) | |
| 51–100 miles | 18 | (5.5%) | 10 | (4.0%) | 3 | (13.0%) | 0 | (0.0%) | |
| 101–300 miles | 12 | (3.6%) | 12 | (4.7%) | 0 | (0.0%) | 0 | (0.0%) | |
| >300 miles | 24 | (7.3%) | 21 | (8.3%) | 2 | (8.7%) | 0 | (0.0%) | |
| Health insurance | 0.0481 | ||||||||
| No | 6 | (1.8%) | 1 | (0.4%) | 1 | (4.5%) | 0 | (0.0%) | |
| Yes | 323 | (98.2%) | 252 | (99.6%) | 21 | (95.5%) | 3 | (100.0%) | |
| Time since SBRT | 0.2549 | ||||||||
| <6 months | 27 | (8.1%) | 21 | (8.2%) | 1 | (4.3%) | 1 | (33.3%) | |
| >6 months | 305 | (91.9%) | 234 | (91.8%) | 22 | (95.7%) | 2 | (66.7%) | |
| Hormonal therapy | 0.2627 | ||||||||
| None | 248 | (75.6%) | 195 | (77.1%) | 12 | (54.5%) | 2 | (66.7%) | |
| Previously | 61 | (18.6%) | 47 | (18.6%) | 5 | (22.7%) | 1 | (33.3%) | |
| Currently | 19 | (5.8%) | 11 | (4.3%) | 5 | (22.7%) | 0 | (0.0%) | |
p-value for age derived via one-way ANOVA, with the remainder calculated via Fisher’s exact test.
Bolded values represent statistical significance with p-values < 0.05.