| Characteristic | Year | |||
|---|---|---|---|---|
| 2000 | 2005 | 2010 | 2015 | |
| No. of TDP recipients | 55 571 | 95 296 | 162 301 | 176 299 |
| No. of TDP recipients surpassing deductible, n (%) | 51 320 (92.4) | 90 564 (95.0) | 150 229 (92.6) | 163 140 (92.5) |
| Total TDP spending, $ | 65 717 445 | 170 049 300 | 281 546 814 | 416 019 977 |
| Average annual cost per recipient surpassing deductible, $ | 1281 | 1878 | 1874 | 2550 |
| Median age, yr (Q1-Q3) | 53 (43-63) | 53 (43-63) | 52 (41-63) | 52 (40-64) |
| Age category, yr, n (%) | ||||
| 0-24 | 7507 (13.5) | 14 099 (14.8) | 27 020 (16.6) | 30 943 (17.6) |
| 25-34 | 3387 (6.1) | 5554 (5.8) | 10 633 (6.6) | 13 504 (7.7) |
| 35-49 | 11 849 (21.3) | 20 286 (21.3) | 34 194 (21.1) | 35 024 (19.9) |
| 50-64 | 32 828 (59.1) | 55 357 (58.1) | 90 454 (55.7) | 96 828 (54.9) |
| No. of drugs, n (%) | ||||
| 1 | 5,773 (11.2) | 10 942 (12.1) | 21 460 (14.3) | 29 662 (18.2) |
| 2 | 5,765 (11.2) | 10 373 (11.5) | 18 115 (12.1) | 19 731 (12.1) |
| ≥ 3 | 39 782 (77.5) | 69 249 (76.5) | 110 654 (73.7) | 113 747 (69.7) |
| Sex, male, n (%) | 22 767 (41.0) | 39 801 (41.8) | 69 976 (43.1) | 77 551 (44.0) |
| Income quintile, n (%) | ||||
| 1 (lowest) | 14 838 (26.7) | 26 628 (27.9) | 44 417 (27.4) | 45 789 (26.0) |
| 2 | 13 465 (24.2) | 22 366 (23.5) | 37 289 (23.0) | 40 225 (22.8) |
| 3 | 10 856 (19.5) | 18 212 (19.1) | 32 319 (19.9) | 35 898 (20.4) |
| 4 | 9183 (16.5) | 15 751 (16.5) | 27 847 (17.2) | 31 493 (17.9) |
| 5 (highest) | 7127 (12.8) | 12 123 (12.7) | 20 082 (12.4) | 22 492 (12.8) |
| Charlson Comorbidity Index score, n (%) | ||||
| No hospital admission | 35 058 (68.3) | 66 600 (73.5) | 117 491 (78.2) | 131 290 (80.5) |
| 0 | 7869 (15.3) | 12 514 (13.8) | 16 238 (10.8) | 15 572 (9.6) |
| 1 | 3873 (7.6) | 5242 (5.8) | 6886 (4.6) | 6523 (4.0) |
| ≥ 2 | 4520 (8.8) | 6208 (6.9) | 9614 (6.4) | 9755 (6.0) |
| Single claims > $1000 | 1757 (3.4) | 5170 (5.7) | 10 021 (6.7) | 17 015 (10.4) |
| Any biologic use | 4119 (8.0) | 8397 (9.3) | 15 985 (10.6) | 21 779 (13.4) |
| High-cost biologics | 807 (1.6) | 2711 (3.0) | 5061 (3.4) | 8952 (5.5) |
| Deductible, n (%) | ||||
| Low (< $350) | 50 180 (97.8) | 86 055 (95.0) | 139 489 (92.9) | 150 092 (92.0) |
| Med ($351-499) | 699 (1.4) | 2468 (2.7) | 5595 (3.7) | 5895 (3.6) |
| High (> $500) | 441 (0.9) | 2041 (2.3) | 5145 (3.4) | 7153 (4.4) |
| Median deductible, $ | 42 | 65 | 69 | 58 |
Note: All characteristics were found to be statistically significant for tests of trend from 2000 to 2015 (p < 0.05). TDP = Trillium Drug Plan.