TABLE 2.
IgG1 and IgG2 antibody concentrations specific for Pnc PS 3, 6B, 14, 19F, and 23F in the pneumococcal reference serum lot 89-SF as determined by ELISA
| Pnc PS type | IgG1 concn (μg/ml)a (% CV) | IgG2 concn (μg/ml)a (% CV) | Sum of IgG1 and IgG2 concn (μg/ml)b | IgG concn assigned earlier (μg/ml)c |
|---|---|---|---|---|
| 3 | 0.41 ± 0.068 (16.5) | 1.65 ± 0.18 (11.0) | 2.06 (87) | 2.36 |
| 6B | 0.66 ± 0.036 (5.5) | 10.54 ± 1.95 (18.5) | 11.20 (66) | 16.90 |
| 14 | 2.87 ± 0.31 (10.7) | 21.23 ± 2.27 (10.7) | 24.11 (87) | 27.80 |
| 19F | 1.12 ± 0.39 (35.4) | 10.09 ± 0.89 (8.8) | 11.21 (86) | 13.00 |
| 23F | 0.73 ± 0.061 (8.3) | 6.66 ± 1.83 (27.6) | 7.39 (91) | 8.10 |
a
Antibody values are means ± standard deviations of three to four determinations.
b
Values do not include IgG3 and IgG4 concentrations. Values in parentheses represent sum of IgG1 and IgG2 concentrations relative to total IgG concentration as a percentage.
c
Data taken from reference 21.