Haemoglobin A1c (HbA1c)


Watts CF, Morris RW, Goodland FC, Kubal C and Shaw KM, 1989, Practical Diabetes, 6, 159-63 , Serum fructosamine and glycosylated haemoglobin in the monitoring of glycaemic control in insulin-dependent diabetic outpatients

Originally from this reference: Practical Diabetes, Watts CF, Morris RW, Goodland FC, Kubal C and Shaw KM, 1989

ID: 0292


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 B
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C8,10,11,12,13
Comment 1) Data may not be used for estimation of RCV (9B). 2) Data is not necessarily representative for the total population (10C).

Item Details

Parameter Score
Matrix Whole Blood EDTA
Measurand Haemoglobin A1c (HbA1c)
Unit ug / ug
Overall Analytical Principle Method Spectrophotometry; UV/VISIBLE
Number of Subjects 172
Number of Subjects included in BV estimation 172
Ethinicity Caucasian
Age Mean / Median 31.4
Age Min 12.0
Age Max 60.0
Age SD
Number of Males 96
Number of Females 76
State of Well Being Non-healthy (excl pregnant)
Study Duration Length 21
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units Week
Sampling Times Start Time:
End Time:
Number of Samples 7
Average Number of Samples Used for BV Estimation 7.0
Average Number of Replicates
Estimates of CVi 9.14
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg 20.2
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV
Calculated Confidence Intervals of Analytical CV Lower: , Upper:
Measurand Mean 13.72
Measurand Min
Measurand Max
Measurand SD


Parameter Score
Healthy Population false
Adult Population true
Weekly Samplings true
Reviewed true
Published true
Gender for Meta-Analysis Males
Snomed CT
© 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.
European Federation of Clinical Chemistry and Laboratory Medicine
Ms Silvia Cattaneo
Via Carlo Farini 81
20159 Milano - Italy