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. Author manuscript; available in PMC: 2015 Dec 11.
Published in final edited form as: Can J Urol. 2013 Oct;20(5):6897–6906.

TABLE 4.

Performance of combined sextant biopsy and transrectal anterior biopsy

Performance parameter AP series (n = 86) RP series (n = 40)
SB + bilateral mid TAB SB + bilateral apical TAB SB + bilateral mid TAB SB + bilateral apical TAB
Overall cancer detected 42% 45% 78% 80%
Sensitivity 72% 84% 81% 91%
Specificity 76% 78% 38% 63%
PPV 64% 69% 84% 91%
NPV 82% 89% 33% 63%

AP = autopsy prostates; RP = radical prostatectomy; SB = sextant biopsy; TAB = transrectal anterior biopsy; PPV = positive predictive values; NPV = negative predictive values