Biosca C, Ricós C, Lauzurica R and Petersen PH, 2006, Clin Chim Acta, 368, 188-191 , Biological variation at long-term renal post-transplantation


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis B
7. Steady State A
8. Outlier Analysis A
9. Normality B
10. Variance Homogeneity C
12. CI C
13. No of Results A
14. Concentrations A
15. Total Score C10,12

Item Details

Parameter Score
Matrix Serum
Measurand Creatinine
Unit mg / dL
Overall Analytical Principle Method Spectrophotometry; UV/VISIBLE
Number of Subjects 40
Number of Subjects included in BV estimation 40
Ethinicity Unknown
Age Mean / Median
Age Min 29.0
Age Max 71.0
Age SD
Number of Males 26
Number of Females 14
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length 4.7
Study Duration Units Year
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units Week
Sampling Times Start Time:
End Time:
Number of Samples 8
Average Number of Samples Used for BV Estimation 8.0
Average Number of Replicates 1.0
Estimates of CVi 8.5
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg 24.7
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV
Calculated Confidence Intervals of Analytical CV Lower: , Upper:
Measurand Mean 139.0
Measurand Min
Measurand Max
Measurand SD