1. Has Rate of Changed for Southeast Alabama Medical Center?
Farrokh Alemi, Ph.D.

2. Download, Unzip, Rename Data
To H-YYYY-MM

3. Import Tables into New Database
From Database
From Database
From Database
From Database
From Database
From Database
From Database
From Database
From Database

4. Select Hospital & Measure ID for 2013-2014
Provider ID
Measure Start Date
Measure End Date
Score
Sample
SCIP_INF_3
010001
04/01/2013
03/31/2014 98
324
Select Measure
Data & Database Dates Differ
Select Provider

5. Repeat for All Time Periods
Measure ID
Provider ID
Measure Start Date
Measure End Date
Score
Sample
SCIP_INF_3
010001
04/01/2013
03/31/2014 98
324
07/01/2013
06/30/2014
330
10/01/2013
09/30/2014
329
01/01/2014
12/31/2014
332
04/01/2014
03/31/2015 99
337
07/01/2014
06/30/2015
340
10/01/2014
09/30/2015
100
256
01/01/2015
170
Ignore Duplicated Data Time Period

6. Calculate Control Limits
Midway Point
Rate of Overuse
Upper Limit
Lower Limit
9/30/2013
0.302
0.377
0.275
12/30/2013
0.297
0.276
4/1/2014
0.298
7/2/2014
0.295
9/30/2014
0.294
0.376
12/30/2014
0.291
4/1/2015
0.391
0.384
0.269
5/17/2015
0.582
0.397
0.256
Midway Point = DATE(YEAR(start), MONTH(start), DAY(start)+(start-end)/2)
Grand Rate = SUM(Score)/SUM(Sample)
Upper Limit =Grand Rate *SQRT((Grand Rate*(1-Grand Rate))/Sample)

7. Plot the Control Chart Limits spread wider, due to small sample
Make each line as separate scatter plot; then copy into a single plot

8. Overuse of Prophylactic Antibiotics in Southeast Alabama Medical Center