TABLE 2.
Summary of distribution of titers measured by the Goldschneider and standardized assays
| 1/bactericidal titer | No. of samples (%) with indicated titer by:
|
|
|---|---|---|
| Standardized assay with rabbit complement | Goldschneider assay with human complement | |
| <4 | 16 (5.4) | 75 (25.1) |
| 4 | 17 (5.7) | 36 (12.0) |
| 8 | 16 (5.4) | 45 (15.1) |
| 16 | 31 (10.4) | 43 (14.4) |
| 32 | 23 (7.7) | 36 (12.0) |
| 64 | 28 (9.4) | 37 (12.4) |
| 128 | 37 (12.4) | 13 (4.3) |
| 256 | 31 (10.4) | 9 (3.0) |
| 512 | 37 (12.4) | 3 (1.0) |
| >512 | 63 (21.1) | 2 (0.7) |
| 1/geometric mean titer | 116 | 16 |