1.Select a medical procedure in the menu above. Details about each procedure are available under the "?" button.
2.Depending on the procedure selected, data are available for one or two time periods. When two periods are available, the periods can be compared and the percent change is shown.
3.Select to filter the data by either Hospital Referral Region or Hospital Service Area.
4.Click on the map to focus on any area and to see detailed data.
5.Depending on the selected procedure and the data available, the gradient bar along the bottom will show either (1) the percent change between two time periods; or (2) for one time period, compare procedure rates relative to the California state average of 100%.