Use of cancer-related medication and mean medication costs in the year after diagnosis, by cancer stage at the time of diagnosis
| Cancer type/measure | Overall | Stage I | Stage II | Stage III | Stage IV | Stage unknown |
|---|---|---|---|---|---|---|
| Breast | ||||||
| No. of patients | 50 141 | 20 759 | 18 607 | 6786 | 2433 | 1556 |
| No. (%) used medication | 38 484 (76.8) | 13 111 (63.2) | 16 061 (86.3) | 6451 (95.1) | 2009 (82.6) | 852 (54.8) |
| Cost, $, mean (95% CI)* | 8167 (8023–8311) | 5409 (5207–5611) | 8519 (8314–8724) | 12 046 (11 657–12 434) | 12 460 (11 328–13 592) | 4454 (3656–5252) |
| Colorectal | ||||||
| No. of patients | 38 108 | 8269 | 9124 | 10 755 | 6848 | 3 112 |
| No. (%) used medication | 27 749 (72.8) | 4675 (56.5) | 6421 (70.4) | 9482 (88.2) | 5634 (82.3) | 1537 (49.4) |
| Cost, $, mean (95% CI)* | 6568 (6446–6691) | 785 (683–887) | 2778 (2624–2933) | 9637 (9431–9843) | 11 442 (11 075–11 809) | 3 196 (2782–3610) |
| Lung | ||||||
| No. of patients | 34 809 | 6104 | 2855 | 6989 | 17 714 | 1 147 |
| No. (%) used medication | 27 673 (79.5) | 4470 (73.2) | 2469 (86.5) | 6050 (86.6) | 13 910 (78.5) | 774 (67.5) |
| Cost, $, mean (95% CI)* | 2900 (2816–2984) | 612 (546–679) | 1415 (1278–1552) | 2291 (2155–2428) | 4207 (4060–4354) | 2129 (1673–2585) |
| Prostate | ||||||
| No. of patients | 45 258 | 10 154 | 22 103 | 5664 | 4058 | 3279 |
| No. (%) used medication | 22 599 (49.9) | 3231 (31.8) | 11 763 (53.2) | 2798 (49.4) | 3276 (80.7) | 1531 (46.7) |
| Cost, $, mean (95% CI)* | 1211 (1175–1247) | 268 (239–296) | 966 (932–1000) | 825 (763–888) | 3236 (3060–3413) | 1461 (1303–1620) |
Note: CI = confidence interval.
↵* Among those who had a nonzero medication cost.