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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: J Urol. 2017 Jul 18;199(1):98–105. doi: 10.1016/j.juro.2017.07.038

Table 2.

Upgrade rate stratified by baseline MRI grade (n = 352)

MRI Grade* Upgrades n = 352 95% CI
5 10 (58.8%) 17 0.33–0.81
4 24 (29.6%) 81 0.20–0.41
3 29 (21.0%) 138 0.15–0.29
0–2 28 (24.1%) 116 0.17–0.33
Total 91 352 0.21–0.31
*

The UCLA grading system (2), which was described in 2011 before PI-RADS became available, was used throughout. The UCLA system and PI-RADS2 give similar results, as addressed previously (10,12).