Using Statistical Process Control through the Making Data Count approach to visualise data in NHS Trusts: a mixed-methods study

MDC SPC charts are seen as a helpful tool, and their outputs are used reasonably effectively in a board environment. However, consistent and repetitive training is necessary to optimise SPC use and prevent misuse or overuse. Training may only partially prevent misuse of SPC charts due to managers' tendency to try to demonstrate improvement to other staff members.