2 Proportions

This example applies to the Healthcare Module. For more information, go to www.minitab.com/healthcare-module.

Example

In this worksheet, the Left Before and Left After columns contain the number of patients who leave without being seen before and after a process improvement. The Number Before and Number After columns contain the total number of patients before and after the process improvement. You can enter these observations directly in the dialog box instead of storing them in the Minitab worksheet.

C1	C2	C3	C4
`Left Before`	`Number Before`	`Left After`	`Number After`
5	645	1	326

How-to

From the Healthcare KPIs: Decrease Leaving without Being Seen dialog box, select 2 Proportions, then click OK.
From the drop-down list, select Summarized data.
In Number of events, enter the number of patients who left without being seen before and after the process improvement.
In Number of trials, enter the total number of patients before and after the process improvement.
Click Options. In Alternative hypothesis, choose Difference > hypothesized difference.
Click OK.

Tip

For more information about this analysis, click Help in the main dialog box.