Testosterone level

Included in meta analysis


Valero-Politi J, Fuentes-Arderiu X, 1993, Clin Chem, 39, 1723-5 , Within-and between-subjet biological variations of follitropin, lutropin, testesterone, and sex-binding globulin in men

Originally from this reference: Clin Chem, Valero-Politi J, Fuentes-Arderiu X, 1993

ID: 0160


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis A
7. Steady State B
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score C8,10

Item Details

Parameter Score
Matrix Serum
Measurand Testosterone level
Unit nmol / L
Overall Analytical Principle Method Immunoassay; RIA
Number of Subjects 20
Number of Subjects included in BV estimation 20
Ethinicity Caucasian
Age Mean / Median
Age Min 26.0
Age Max 47.0
Age SD
Number of Males 20
Number of Females
State of Well Being Healthy (excl pregnant)
Study Duration Length 12
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Month
Sampling Times Start Time: 08:00
End Time: 09:30
Number of Samples 12
Average Number of Samples Used for BV Estimation 12.0
Average Number of Replicates 2.0
Estimates of CVi 10.9
Calculated Confidence Intervals of CVi Lower: 8.72, Upper: 13.05
Estimates of CVg 21.3
Calculated Confidence Intervals of CVg Lower: 0.00, Upper: 31.09
Analytical CV 14.6
Calculated Confidence Intervals of Analytical CV Lower: 13.40, Upper: 16.03
Measurand Mean 26.7
Measurand Min
Measurand Max
Measurand SD


Parameter Score
Healthy Population true
Adult Population true
Weekly Samplings true
Reviewed true
Published true
Gender for Meta-Analysis Males
Snomed CT