Variation Types

Variation icons analyses the consistency in being able to hit the target set for the chosen measure. There are three icons:

Icon Definition
Variation Common Cause Common Cause Variation which indicates that there is no significant change in the process
Variation Special Cause Concern Variation Special Cause Concern Special cause variation of concerning nature due to (H)igher or (L)ower values
Variation Special Cause Improvement Variation Special Cause Improvement Special cause variation of improving nature due to (H)igher or (L)ower values

For more information on variation icons, please see the NHS guide: Making data count - Strengthening your decisions.