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Frequency of decreased IgG subclass concentrations in different populations
Frequency of decreased IgG subclass concentrations in different populations
Sample population
Number
Percent
IgG1
IgG2
IgG3
IgG4
Healthy children
3854
4.9
19.4
6.3
0.8
Healthy adults
162
8
3
1
1
Adults with suspected antibody defects
1175
28
17
13
9
Data from different populations showing the percentage of individuals with low serum levels of specific IgG subclasses.
IgG: immunoglobulin G.
Reproduced with permission from: Meulenbroek AJ, Zeijlemaker WP. Human IgG subclasses: Useful diagnostic markers for immunocompetence, 2nd edition, CLB, Amsterdam, The Netherlands 2000. Copyright © 2000 Sanquin Blood Supply Foundation.
Graphic 66552 Version 3.0