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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Clin Chem. 2011 Oct 13;57(12):1712–1721. doi: 10.1373/clinchem.2011.169540

Fig. 4. Post RP PSA results.

Fig. 4

Longitudinal samples were tested from 13 recurring (red) and 20 non-recurring (black) RP patients. All samples were well above the LoQ of the assay and were measured with good precision. Horizontal lines depict LoQs. The initial PSA value (nadir PSA) was a significant predictor of 5-year biochemical recurrence-free survival (p<0.01), while PSA slope was not a significant predictor in this study (p>0.05).