EFLM Biological Varation Database : BIVAC Minimum Data Set for Creatinine EFLM Biological Variation

Creatinine

Reference

Carobene A, Marino I, Coskun A, Serteser M, Unsai I, Guerra E, Barlett WA, Sandberg S, Aarsand AK, Sylte MS, Roraas T, Solvik UO, Fernández-Calle P, Diaz-Garzón J, Tosato F, Plebani M, Jonker N, Barla G and Ceriotti F, 2017, Clin Chem, 63, 1527-36 , The EuBIVAS Project: Within- and between-subject biological variation data for serum creatinine using enzymatic and alkaline picrate methods and implications for monitoring

Scoring

Total Score

A_{1,2,3,4,5,6,7,8,9,10,11,12,13,14}

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	A
8. Outlier Analysis	A
9. Normality	A
10. Variance Homogeneity	A
11. ANOVA	A
12. CI	A
13. No of Results	A
14. Concentrations	A
15. Total Score	A_{1,2,3,4,5,6,7,8,9,10,11,12,13,14}
Comment

Item Details

Parameter	Score
Matrix	Serum
Measurand	Creatinine
Unit	mg / dL
Overall Analytical Principle Method	Spectrophotometry; UV/VISIBLE
Number of Subjects	91
Number of Subjects included in BV estimation	91
Ethinicity	Caucasian
Age Mean / Median
Age Min	21.0
Age Max	69.0
Age SD
Number of Males	38
Number of Females	53
State of Well Being	Healthy (excl pregnant)
Study Duration Length	10
Study Duration Units	Week
Sampling Intervals, e.g. X sample(s) per Interval Unit	1
Interval Units	Week
Sampling Times	Start Time: End Time:
Number of Samples	10
Average Number of Samples Used for BV Estimation	9.46
Average Number of Replicates	1.96
Estimates of CVi	4.7
Calculated Confidence Intervals of CVi	Lower: 4.35, Upper: 5.07
Estimates of CVg	19.0
Calculated Confidence Intervals of CVg	Lower: 16.57, Upper: 22.25
Analytical CV	4.4
Calculated Confidence Intervals of Analytical CV	Lower: 4.19, Upper: 4.63
Measurand Mean	0.74
Measurand Min	0.73
Measurand Max	0.75
Measurand SD

Coding

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