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Demographic and clinical characteristics of PCa patients (n = 373) and healthy male volunteers (n = 134) used for spectral library generation. (A) Age distribution; (B) body mass index; (C) prostate-specific antigen (in ng/mL); and (D) Gleason score frequency distribution. All characteristics were captured at the time of sample collection. Statistical significance was determined by a non-parametric Mann–Witney test. p value shown as: 0.01–0.05 (*) and <0.001 (****).
