Haemoglobin A1c (NGSP)

Included in meta analysis


Liang L, He H, Zhang M et al, 2019, J Clin Lab Anal, 33, e22715 , Evaluation of biological variation of glycated hemoglobin and glycated albumin in healthy Chinese subjects


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 A
8. Outlier Analysis A
9. Normality A
10. Variance Homogeneity A
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score B6

Item Details

Parameter Score
Matrix Whole Blood EDTA
Measurand Haemoglobin A1c (NGSP)
Unit % / _
Overall Analytical Principle Method Chromatography; HPLC
Number of Subjects 19
Number of Subjects included in BV estimation 19
Ethinicity Asian
Age Mean / Median 26.0
Age Min
Age Max
Age SD
Number of Males
Number of Females
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 9:00
End Time: 9:30
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates
Estimates of CVi 0.29
Calculated Confidence Intervals of CVi Lower: 0.00, Upper: 0.47
Estimates of CVg 4.32
Calculated Confidence Intervals of CVg Lower: 3.28, Upper: 6.31
Analytical CV 0.42
Calculated Confidence Intervals of Analytical CV Lower: 0.29, Upper: 0.77
Measurand Mean 11.83
Measurand Min
Measurand Max
Measurand SD