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  Indian J Med Microbiol
 

Figure 3: ROC analysis of T-PSA, F-PSA, and F/T PSA ratio for serum T-PSA ≥2.0 ng ml-1 and <25.0 ng ml-1 in different age groups. ROC analysis of T-PSA, F-PSA, and F/T PSA ratio for (a) 50–59 years, (b) 60–69 years, (c) 70–79 years, and (d) age ≥80 years, respectively. ROC: receiver operating characteristic; T-PSA: total prostate-specific antigen; F-PSA: free prostate-specific antigen; F/T PSA: free/total prostate-specific antigen; AUC: area under the curve.

Figure 3: ROC analysis of T-PSA, F-PSA, and F/T PSA ratio for serum T-PSA ≥2.0 ng ml<sup>-1</sup> and <25.0 ng ml<sup>-1</sup> in different age groups. ROC analysis of T-PSA, F-PSA, and F/T PSA ratio for (<b>a</b>) 50–59 years, (<b>b</b>) 60–69 years, (<b>c</b>) 70–79 years, and (<b>d</b>) age ≥80 years, respectively. ROC: receiver operating characteristic; T-PSA: total prostate-specific antigen; F-PSA: free prostate-specific antigen; F/T PSA: free/total prostate-specific antigen; AUC: area under the curve.