Table 4.
Years of exposure | Number of events | Number of patients | HR | 95% CI | aHR* | 95% CI |
ADT-free cohort | 570 | 14 502 | ref. | – | Ref. | – |
0–1 | 369 | 6800 | 1.41 | 1.23 to 1.61 | 1.38 | 1.21 to 1.58 |
1–2 | 139 | 2177 | 1.60 | 1.33 to 1.93 | 1.59 | 1.32 to 1.92 |
2–3 | 105 | 1330 | 1.77 | 1.44 to 2.18 | 1.76 | 1.42 to 2.17 |
3–5 | 96 | 1151 | 1.74 | 1.40 to 2.16 | 1.73 | 1.42 to 2.17 |
>5 | 50 | 606 | 1.58 | 1.18 to 2.11 | 1.57 | 1.17 to 2.10 |
*Adjusted for age and stage.
ADT, androgen deprivation therapy; GnRH, gonadotropin-releasing hormone.