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Specificity of Elecsys HBsAg and IMx HBsAg assays
| Sample source | No. of samples tested | No. of samples with resulta:
|
Agreement (%) | |||
|---|---|---|---|---|---|---|
| +/+ | +/− | −/+ | −/− | |||
| South African blood donors | 490 | 0 | 1 | 5 | 484 | 98.8 |
| Pregnant women | 384 | 0 | 0 | 11 | 373 | 97.1 |
| Hospitalized patients | 449 | 18 | 1 | 26 | 404 | 94.0 |
| IVDAs | 116 | 14 | 1 | 9 | 92 | 91.4 |
| Homosexuals | 97 | 7 | 0 | 2 | 88 | 98.0 |
Symbols indicate result obtained with the Elecsys HBsAg assay/result obtained with the IMx HBsAg assay. +, positive result; −, negative result.
