EFLM Biological Varation Database : BIVAC Minimum Data Set for Haemoglobin A1c (HbA1c) EFLM Biological Variation

Haemoglobin A1c (HbA1c)

Reference

Kolatkar NS, Cembrowski GS, Callahan PL and Etzwiler DD, 1994, Clin Chem, 40, 1608-9 , Intensive diabetes management requires very precise testing of glycohemoglobin

Originally from this reference: Clin Chem, Kolatkar NS, Cembrowski GS, Callahan PL and Etzwiler DD, 1994

ID: 0305

Scoring

Total Score

C_10,12

Parameter	Score
1. Scale	B
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	B
10. Variance Homogeneity	C
11. ANOVA	A
12. CI	C
13. No of Results	A
14. Concentrations	A
15. Total Score	C_10,12
Comment

Item Details

Parameter	Score
Matrix	Serum
Measurand	Haemoglobin A1c (HbA1c)
Unit	ug / ug
Overall Analytical Principle Method	No method set
Number of Subjects	29
Number of Subjects included in BV estimation	29
Ethinicity	Unknown
Age Mean / Median
Age Min
Age Max
Age SD
Number of Males
Number of Females
State of Well Being	Non-healthy (excl pregnant)
Study Duration Length	72
Study Duration Units	Month
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units	Year
Sampling Times	Start Time: Not Given End Time: Not Given
Number of Samples	4
Average Number of Samples Used for BV Estimation	4.0
Average Number of Replicates	2.0
Estimates of CVi	2.4
Calculated Confidence Intervals of CVi	Lower: 2.03, Upper: 2.88
Estimates of CVg
Calculated Confidence Intervals of CVg	Lower: 0.00, Upper:
Analytical CV	1.4
Calculated Confidence Intervals of Analytical CV	Lower: 1.24, Upper: 1.61
Measurand Mean
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.