Prostate specific antigen (PSA)


Morote J, Raventós CX, Lorente JA et al , 1999, Eur Urol, 36(2), 111-5 , Intraindividual variations of total and percent free serum prostatic-specific antigen levels in patients with normal digital rectal examination


Total Score


Parameter Score
1. Scale A
2. Study Population C
3. Samples B
4. Measurand A
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 B
15. Total Score C2,6,7,8,10,11,12,13

Item Details

Parameter Score
Matrix Serum
Measurand Prostate specific antigen (PSA)
Unit ng / mL
Overall Analytical Principle Method Immunoassay; Other
Number of Subjects 26
Number of Subjects included in BV estimation 26
Ethinicity Unknown
Age Mean / Median
Age Min
Age Max
Age SD
Number of Males 26
Number of Females 0
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 60
Interval Units Year
Sampling Times Start Time:
End Time:
Number of Samples 2
Average Number of Samples Used for BV Estimation 2.0
Average Number of Replicates 1.0
Estimates of CVi 13.1
Calculated Confidence Intervals of CVi Lower: 8.77, Upper: 18.32
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: , Upper:
Analytical CV 4.0
Calculated Confidence Intervals of Analytical CV Lower: 2.50, Upper: 9.81
Measurand Mean
Measurand Min 10.1
Measurand Max 20.0
Measurand SD