The improvement in %fPSA failed to reach statistical significance (p = 0.08). %fPSA significantly outperformed PSA in AUC in patients aged 70–79 years old with PSA levels of 4.0–10.0 ng/ml or 10.1–20.0 ng/ml.
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Age-Specific Cutoff Value for the Application of Percent Free Prostate-Specific Antigen (PSA) in Chinese Men with Serum PSA Levels of 4.0-10.0 ng/ml.
2
0.0800
0.0850
The sentences
borderline significantp = 0.085
The AUC of %fPSA in the PSA range 4.0–10.0 ng/ml was significantly better than PSA in patients aged 75–79 years (p = 0.024), and 70-74-year-olds were borderline significant (p = 0.085).