Table 3.
Participation, passing quota and laboratory performance in the external quality assurance program EQA249 for anti-Factor H IgG autoantibody.
| Laboratory | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | Performance | Participation, total |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 83% | 6 | |||||||
| 2 | 86% | 7 | |||||||
| 3 | 100% | 5 | |||||||
| 4 | 100% | 7 | |||||||
| 5 | 100% | 1 | |||||||
| 6 | 100% | 4 | |||||||
| 7 | 0% | 1 | |||||||
| 8 | 100% | 1 | |||||||
| 9 | 100% | 7 | |||||||
| 10 | 100% | 7 | |||||||
| 11 | 86% | 7 | |||||||
| 12 | 100% | 1 | |||||||
| 13 | 100% | 4 | |||||||
| 14 | 86% | 7 | |||||||
| 15 | 100% | 2 | |||||||
| 16 | 100% | 1 | |||||||
| 17 | 0% | 1 | |||||||
| 18 | 75% | 4 | |||||||
| 19 | 100% | 4 | |||||||
| 20 | 100% | 7 | |||||||
| 21 | 100% | 3 | |||||||
| 22 | 100% | 5 | |||||||
| 23 | 67% | 3 | |||||||
| 24 | 100% | 3 | |||||||
| 25 | 100% | 2 | |||||||
| 26 | 50% | 4 | |||||||
| 27 | 100% | 1 | |||||||
| 28 | 100% | 1 | |||||||
| 29 | 0% | 1 | |||||||
| 30 | 100% | 1 | |||||||
| 31 | 100% | 2 | |||||||
| 32 | 100% | 1 | |||||||
| Passing quota | 92.3% | 94.1% | 94.4% | 78.6% | 88.2% | 87.5% | 93.8% | ||
| Participation, total | 13 | 17 | 18 | 14 | 17 | 16 | 16 |
Participation: Number of submitted results in the period of 2016-2022. Performance: Percentage of submitted results in the target range for both of the samples (dark blue). Any result out of target range (light red), lack of results (white). Passing quota: Performance of laboratories in the indicated years. Bold facing: laboratories with at least four participations and at least 80% performance.