Appendix D. Control charts

A control chart is a graph of data over time that can be used to identify performance improvements and deteriorations in health services over time. Control charts are useful if you have more than 15 data points and want more insights into your data.

As Figure D1 shows, a control chart consists of:

3. Producing and using information to identify and reduce risks

Conclusion

VAHI is yet to fully meet its intended functions, set by the Minister for Health, to provide accessible and meaningful information to inform improvements and increase accountability across the health system. VAHI has made some improvements, such as reducing reporting overlap, using more statistical techniques to show outliers and continuing to build its workforce capability.