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 Serum
Measurand Haemoglobin A1c (HbA1c)
Unit ug / ug
Overall Analytical Principle Method No method set
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: Not Given
End Time: Not Given
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