Table 1.

Summary of the PRIAS dataset as of April 2019.

Characteristic	Value
Total patients, n	7813
Upgrading (primary event), n	1134
Treatment, n	2250
Watchful waiting, n	334
Loss to follow‐up, n	249
Death (unrelated to prostate cancer), n	95
Death (related to prostate cancer), n	2
Age at diagnosis, years, median (IQR)	66 (61–71)
Maximum follow‐up per patient, years, median (IQR)	1.8 (0.9–4.0)
Total PSA measurements, n	67 578
Number of PSA measurements per patient, median (IQR)	6 (4–12)
PSA level, ng/mL, median (IQR)	5.7 (4.1–7.7)
Total biopsies, n	15 686
Number of biopsies per patient, median (IQR)	2 (1–2)

IQR, interquartile range.

The primary event of interest is upgrading, that is, increase from GGG1 to GGG≥2 [2]. Study protocol URL: https://www.prias‐project.org.