Below you will find reports from the previous 5 years for each test group.
The following reports are included in each .zip package:
GENERAL: to be used in conjunction with the confidential PDF report emailed to each participant. It identifies the scoring system used and the overall performance summary for all participants.
SUMMARY BY ANALYTE: provides an overall summary of performance, by individual analyte, for all participants. These include:
- Summary statistics;
- z-score plots;
- Kernel density plots;
- Stability and homogeneity plots;
- Box-and-whisker plots; and*
- Comparison plot of current PT round to historic rounds.*
* Starting with the October 2021 PT round.
2024
2023
2022
2021
2020
2019