Prostate specific antigen (PSA)


Glenski WJ, Klee GG, Bergstralh EJ, Oesterling JE. , 1992, Prostate, 21(2), 99-110 , Prostate-specific antigen: establishment of the reference range for the clinically normal prostate gland and the effect of digital rectal examination, ejaculation, and time on serum concentrations


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand B
5. Pre-Analytical A
6. Replicate Analysis C
7. Steady State C
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C6,7,8,10,11,12,13

Item Details

Parameter Score
Matrix Serum
Measurand Prostate specific antigen (PSA)
Unit ng / mL
Overall Analytical Principle Method Immunoassay; Other
Number of Subjects 20
Number of Subjects included in BV estimation 20
Ethinicity Unknown
Age Mean / Median
Age Min
Age Max
Age SD
Number of Males 20
Number of Females 0
State of Well Being
Healthy (excl pregnant)
Study Duration Length 1
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units Other
Sampling Times Start Time: 07:00
End Time: 16:00
Number of Samples 40
Average Number of Samples Used for BV Estimation 40.0
Average Number of Replicates 1.0
Estimates of CVi 16.5
Calculated Confidence Intervals of CVi Lower: 15.63, Upper: 17.43
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: , Upper:
Analytical CV 4.6
Calculated Confidence Intervals of Analytical CV Lower: 3.98, Upper: 5.44
Measurand Mean
Measurand Min
Measurand Max
Measurand SD