Prostate specific antigen (PSA)


Panteghini M, Pagani F, Bonora R , 1992, Eur J Clin Chem Clin Biochem, 30, 135-9 , Pre-analytical and biological variability of prostatic acid phosphatase and Prostate-Specific Antigen in serum from patients with prostatic pathology


Total Score


Parameter Score
1. Scale A
2. Study Population C
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis A
7. Steady State C
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results C
14. Concentrations B
15. Total Score C2,7,8,10,13
Comment Diseased subjects. Not included in meta analysys

Item Details

Parameter Score
Matrix Serum
Measurand Prostate specific antigen (PSA)
Unit ug / L
Overall Analytical Principle Method Immunoassay; Not specified
Number of Subjects 5
Number of Subjects included in BV estimation 5
Ethinicity Unknown
Age Mean / Median
Age Min
Age Max
Age SD
Number of Males 5
Number of Females 0
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length 4
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 2
Interval Units Day
Sampling Times Start Time: 07:00
End Time: 15:00
Number of Samples 8
Average Number of Samples Used for BV Estimation 8.0
Average Number of Replicates 8.0
Estimates of CVi 14.0
Calculated Confidence Intervals of CVi Lower: 11.32, Upper: 18.30
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV 4.2
Calculated Confidence Intervals of Analytical CV Lower: 3.88, Upper: 4.58
Measurand Mean
Measurand Min
Measurand Max
Measurand SD