Using This Report

For each test, the report contains the following monthly and cumulative statistics:

• Mean
• Standard deviation (SD)
• Coefficient of variation (CV)
• Number of points
• Coefficient of variation ratio (CVR) for the Peer and Method consensus groups
• Standard deviation index (SDI) for the Peer and Method consensus groups

The Laboratory Comparison Report also shows the monthly and cumulative Peer and Method group statistics for:

• Mean
• Standard deviation (SD)
• Coefficient of variation (CV)
• Number of points reported
• Number of labs reported