Number of men consented to the APCaRI 01 and 03 protocols (1 July 2014 to 30 June 2019) who donated biospecimens and PROM data to the APCaRI Biorepository and Registry respectively, at baseline and years 1–4, categorised by disease state
| Advanced disease* | Death | Total n= | |
| Number of patients | 340 | 144 | 484 |
| Baseline biospecimens | 333 | 139 | 472 |
| Biospecimens year 1–4 | 357 | 79 | 436 |
| QoL baseline | 325 | 133 | 458 |
| QoL year 1–4 | 441 | 93 | 534 |
*Advanced disease: includes metastatic disease and castration resistant prostate cancer.
APCaRI, Alberta Prostate Cancer Research Initiative; PROM, patient-reported outcome measures; QoL, quality of life.