BK virus quantitative PCR external proficiency test results of the Korean Association of External Quality Assessment Service
| Sample | Reagent: Real-Q BK Virus Quantification Kit | Reagent: all | |||||||
|---|---|---|---|---|---|---|---|---|---|
| No. (%) |
Reported result range |
Median |
CV (%) | No. (%) |
Reported result range |
Median |
CV (%) | ||
| GV1-23-53 | 12 (41) | 3.75–4.32 | 4.05 | 4.3 | 29 (100) | 2.97–4.32 | 3.93 | 10.4 | |
| GV1-23-54 | 2.83–3.53 | 3.21 | 6.2 | 2.06–3.53 | 2.96 | 14.7 | |||
| GV1-24-24 | 12 (46) | 3.79–4.21 | 3.89 | 3.7 | 26 (100) | 2.13–4.68 | 3.89 | 6.8 | |
| GV1-24-25 | 4.80–5.58 | 5.26 | 3.9 | 3.33–5.96 | 5.44 | 5.2 | |||
Abbreviations: PCR, polymerase chain reaction; CV, coefficient of variation.
*Number (percentage) of laboratories using specified reagent. †The units for GV1-23-53 and GV1-23-54 are log10 copies/mL, while the units for GV1-24-24 and GV1-24-25 are log10 IU/mL.