Research Article
Evaluating Frequency, Diagnostic Quality, and Cost of Lyme Borreliosis Testing in Germany: A Retrospective Model Analysis
Table 2
Mean pass rates of proficiency testing participants in regard to samples tested and assay system used.
| Sample | IHA | Polyvalent EIA | IgG- EIA | IgM- EIA | IgG- IFA | IgM- IFA | IgG Blot | IgM blot | Line blot | IgG- CLIA | IgM- CLIA | Diagnostic Comment |
| Positive samples | Qual. | Quant. | Qual. | Qual. | Qual. | Qual. | Quant. | Qual. | Quant. | Qual. | Qual. | Qual. | Qual. | Qual. | Qual. |
| 32/2006 | 100 | 88.9 | 95.5 | 97.0 | 90.7 | 93.5 | 93.5 | 64.3 | 61.5 | 97.1 | 95.1 | 97 | 95.7 | 11.5 | 98 | 62/2006 | 66.7 | 76.9 | 82 | 83.3 | 92.0 | 88.0 | 85.7 | 90.9 | 78.9 | 89.2 | 89 | 83.3 | 100 | 71.4 | 88.7 | 21/2007 | 93.3 | 82.4 | 90.9 | 96.1 | 95.7 | 79.3 | 80.8 | 100 | 100 | 93.9 | 89.4 | 94.1 | 96.8 | 100 | 51.7 | 62/2007 | 85.7 | 66.7 | 91.4 | 99.2 | 93.7 | 95.8 | 81.8 | 71.4 | 75 | 100 | 84.9 | 96.9 | 100 | 91.2 | 97.7 | 32/2008 | 78.6 | 78.6 | 96.3 | 97 | 91.4 | 95.7 | 81 | 80 | 75 | 88 | 88.5 | 96.2 | 100 | 100 | 71.0 | 61/2008 | 100 | 100 | 96.2 | 99.6 | 81.4 | 90.9 | 77.3 | 89.5 | 78.9 | 100 | 87.7 | 96.7 | 100 | 91.8 | 96.5 |
| Mean | 87.3 | 82.3 | 92.1 | 95.4 | 90.8 | 90.5 | 83.4 | 82.7 | 78.2 | 94.7 | 89.1 | 94.0 | 98.8 | 77.7 | 83.9 |
| Negative samples | Qual. | Quant. | Qual. | Qual. | Qual. | Qual. | Quant. | Qual. | Quant. | Qual. | Qual. | Qual. | Qual. | Qual. | Qual. |
| 31/2006 | 94.1 | 88.9 | 95.9 | 93.9 | 95.5 | 93.5 | 93.5 | 85.7 | 84.6 | 97.9 | 94.6 | 93.9 | 100 | 100 | 98.3 | 61/2006 | 100 | 100 | 99.6 | 100 | 93.4 | 92.0 | 90.5 | 95.5 | 94.7 | 96.1 | 95.6 | 100 | 100 | 96.4 | 99.4 | 22/2007 | 100 | 100 | 87.9 | 88.8 | 93.7 | 62.1 | 53.8 | 92.6 | 92 | 84.6 | 90.2 | 75 | 100 | 100 | 92.4 | 61/2007 | 69.2 | 71.4 | 11.8 | 53.5 | 94.1 | 41.7 | 40.9 | 95.2 | 95 | 77.7 | 96.9 | 87.9 | 100 | 91.2 | 87.4 | 31/2008 | 100 | 100 | 96.2 | 98.9 | 96.4 | 91.3 | 90.5 | 100 | 95 | 94.4 | 98.3 | 100 | 100 | 97.4 | 99.4 | 62/2008 | 100 | 100 | 96 | 96.8 | 97.1 | 86.4 | 81 | 100 | 94.4 | 93.8 | 98.2 | 91.7 | 100 | 93.9 | 98.1 |
| Mean pass rates | 93.8 | 93.3 | 81.2 | 88.6 | 95.0 | 77.8 | 75.0 | 94.8 | 92.6 | 90.7 | 95.6 | 91.4 | 100 | 96.5 | 95.8 |
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