Skip to main content
. 2005 Dec;73(12):8256–8265. doi: 10.1128/IAI.73.12.8256-8265.2005

TABLE 5.

Serum MCP-specific and CRM197-specific IgG subclass GMC and percentage of each subclass in total IgG concentration

Parameter for group MCP
CRM197
Intramuscular naive Nasal
Total nasalc Intramuscular naive Nasal
Total nasalc
Naivea Preimmunizedb Naivea Preimmunizedb
No. 6 13 17 30 6 13 17 30
GMC (μg/ml)
    IgG1 4.3 3.3 5.6 4.4 66.4 19.4 30.6 25.1
    IgG2 10 14.7 16.5 15.7 21.7 23.3 22.6 22.9
    IgG3 0.56 0.48 1.0 0.7 0.4 0.29 0.23 0.25
    IgG4 1.1 1.4 1.2 1.3 92.0 43.3 39.1 40.9
% of total IgGd
    IgG1 27 17 23 20 37 22 33 28
    IgG2 63 74 68 71 12 27 24 26
    IgG3 4 2 4 3 0.2 0.3 0.2 0.3
    IgG4 7 7 5 6 51 50 42 46
Between-subclass differencese
    IgG1 vs IgG2 NS *** * *** NS NS NS NS
    IgG1 vs IgG3 * *** *** *** * *** *** ***
    IgG1 vs IgG4 NS NS *** *** NS NS NS NS
    IgG2 vs IgG3 *** *** *** *** NS *** *** ***
    IgG2 vs IgG4 ** *** *** *** NS NS NS NS
    IgG3 vs IgG4 NS * NS NS ** *** *** ***
a

Groups 1 and 3.

b

Group 2.

c

Groups 1, 2, and 3.

d

May not total 100% due to rounding.

e

Bonferroni's multiple-comparison test: NS, not significant (P > 0.05); *, P < 0.05; **, P < 0.01; ***, P < 0.001.