EFLM Biological Varation Database : BIVAC Minimum Data Set for Cystatin C EFLM Biological Variation

Cystatin C

Reference

Carter JL, Parker CT, Stevens PE, Eaglestone G, Knight S, Farmer CT and Lamb EJ, 2016, Clin Chem, 62, 876-83 , Biological variation of plasma and unrinary markers of acute kidney injury in patients with chronic kidney disease

Originally from this reference: Clin Chem, Carter JL, Parker CT, Stevens PE, Eaglestone G, Knight S, Farmer CT and Lamb EJ, 2016

ID: 0283

Scoring

Total Score

B_7,13

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	A
9. Normality	A
10. Variance Homogeneity	A
11. ANOVA	A
12. CI	A
13. No of Results	B
14. Concentrations	A
15. Total Score	B_7,13
Comment

Item Details

Parameter	Score
Matrix	Plasma
Measurand	Cystatin C
Unit	mg / L
Overall Analytical Principle Method	Enzymatic analysis - Not specified
Number of Subjects	80
Number of Subjects included in BV estimation	80
Ethinicity	Unknown
Age Mean / Median	67.9
Age Min	33.8
Age Max	89.1
Age SD
Number of Males	47
Number of Females	33
State of Well Being	Non-healthy (excl pregnant)
Study Duration Length	6
Study Duration Units	Week
Sampling Intervals, e.g. X sample(s) per Interval Unit	1
Interval Units	Week
Sampling Times	Start Time: unknown End Time:
Number of Samples	6
Average Number of Samples Used for BV Estimation	6.0
Average Number of Replicates	2.0
Estimates of CVi	4.8
Calculated Confidence Intervals of CVi	Lower: 4.48, Upper: 5.16
Estimates of CVg	49.9
Calculated Confidence Intervals of CVg	Lower: 0.00, Upper: 59.05
Analytical CV	0.9
Calculated Confidence Intervals of Analytical CV	Lower: 0.85, Upper: 0.96
Measurand Mean	0.76
Measurand Min
Measurand Max
Measurand SD

Coding

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

© 2018 - 2019 This website and its content is copyright of EFLM. All rights reserved. Any redistribution or reproduction of part or all of the contents in any form is prohibited other than the following: you may print or download to a local hard disk extracts for your personal and non-commercial use only you may copy the content to individual third parties for their personal use, but only if you acknowledge the website as the source of the material You may not, except with our express written permission, distribute or commercially exploit the content. Nor may you transmit it or store it in any other website or other form of electronic retrieval system.