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. Author manuscript; available in PMC: 2014 Jan 19.
Published in final edited form as: J Urol. 2012 Oct 18;188(6):2152–2157. doi: 10.1016/j.juro.2012.08.025

Table 5.

Univariate analysis of biopsy outcome.

All cancers High risk disease (GS 8+)
Negative Positive p value Negative Positive p value
Mean Age 61.15y 62.96y 0.1086 61.11y 67.71y 0.0001
Black Race 15.57% 23.29% 0.1875 18.39% 19.05% 1.0000
Abnormal DRE 10.66% 15.07% 0.3759 10.92% 23.81% 0.1487
Mean #prior bxs 2.15 2.34 0.3119 2.17 2.67 0.0958
Mean PSA (ng/dL) 11.28 18.73 0.0005 12.46 27.37 <0.0001
Prostate volume (mL) 71.64 54.51 0.0006 67.49 46.43 0.0071
PSAD (ng/dL/mL) 0.1639 0.3843 <0.0001 0.1985 0.6342 <0.0001
MRI Low Suspicion 31.97% 9.59% 0.0004 26.44% 0% 0.0048
MRI not Low supicion 68.03% 90.41% 0.0004 73.56% 100.00% 0.0004