Panteghini M and Pagani F, 1993, Clin Chem, 39, 908 , Biological Variation of lactate and Piruvate in blood


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 C
14. Concentrations A
15. Total Score C8,10,13

Item Details

Parameter Score
Matrix Whole blood
Measurand Lactate
Unit mmol / L
Overall Analytical Principle Method Enzymatic analysis - Not specified
Number of Subjects 8
Number of Subjects included in BV estimation 8
Ethinicity Unknown
Age Mean / Median
Age Min 25.0
Age Max 47.0
Age SD
Number of Males 3
Number of Females 5
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Day
Sampling Times Start Time:
End Time:
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 2.0
Estimates of CVi 27.2
Calculated Confidence Intervals of CVi Lower: 21.83, Upper: 36.03
Estimates of CVg 16.7
Calculated Confidence Intervals of CVg Lower: 4.38, Upper: 37.65
Analytical CV 3.3
Calculated Confidence Intervals of Analytical CV Lower: 2.71, Upper: 4.22
Measurand Mean 0.64
Measurand Min
Measurand Max
Measurand SD