Immunoglobulin A (IgA)

Included in meta analysis


Ford RP, Mitchell PEG, Fraser CG., 1988, Clin Chem , 34, 1733-36 , Desirable performance characteristics and clinical utility of immunoglobulin and light-chain assays derived from data on biological variation


Total Score


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 A
8. Outlier Analysis A
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results A
14. Concentrations A
15. Total Score C10

Item Details

Parameter Score
Matrix Serum
Measurand Immunoglobulin A (IgA)
Unit mg / L
Overall Analytical Principle Method Electrophoresis; Other
Number of Subjects 12
Number of Subjects included in BV estimation 12
Ethinicity Caucasian
Age Mean / Median
Age Min 23.0
Age Max 48.0
Age SD
Number of Males 6
Number of Females 6
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Month
Sampling Times Start Time: 0800
End Time: 0930
Number of Samples 10
Average Number of Samples Used for BV Estimation 10.0
Average Number of Replicates 2.0
Estimates of CVi 5.0
Calculated Confidence Intervals of CVi Lower: 4.38, Upper: 5.80
Estimates of CVg 35.0
Calculated Confidence Intervals of CVg Lower: 25.07, Upper: 57.81
Analytical CV 1.5
Calculated Confidence Intervals of Analytical CV Lower: 1.33, Upper: 1.72
Measurand Mean 1776.0
Measurand Min
Measurand Max
Measurand SD