1. Farrokh Alemi, Ph.D. Revised by Akhil Anto
Has There Been a Change in Rate of Hospitals Exceeding National Payment for AMI?
Farrokh Alemi, Ph.D.
Revised by Akhil Anto

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

3. Merge into Access in Order of Date1 2 4 3

4. Note Change in File Names
From database
From
Only 3 Years Show Change in Data
From
From database
From
From
From
From
From database

5. Ignore Tables with Same Time Periods
Only 3 unique time periods in 9 tables:
in HQI_HOSP_AMI_Payment
in HQI_HOSP_Payment
in HQI_HOSP_PaymentAndValueOfCare

6. Field Names Change in Different Files
Prob :
CAST(SUM(PATINDEX('%Greater%',[Compared to National]))as FLOAT) / COUNT([Compared to National])
Prob :
CAST(SUM(PATINDEX('%Greater%',[Category]))as FLOAT)/COUNT([Category])
Prob :
CAST(SUM(PATINDEX('%Greater%',[Payment Category]))as FLOAT)/COUNT([Payment Category])

7. 2010-2013 from HQI_HOSP_AMI_Payment
SELECT COUNT([Compared to National]) AS [Hospitals ]
, CAST(SUM(PATINDEX('%Greater%',[Compared to National]))as FLOAT) / COUNT([Compared to National]) AS [Prob]
, [Measure Start Date]
, [Measure End Date]
FROM [dbo].[HQI_HOSP_AMI_Payment_2010_2013]
WHERE Denominator!= 'Not Available' AND [Measure ID]='PAYM_30_AMI'
GROUP BY [Measure Start Date],[Measure End Date]

8. 2011-2014 SELECT COUNT(Category) AS [Hospitals 2011-2014]
, CAST(SUM(PATINDEX('%Greater%',[Category]))as FLOAT)/COUNT([Category]) AS [Prob]
, [Measure Start Date]
, [Measure End Date]
FROM [dbo].[HQI_HOSP_Payment_2011_2014]
WHERE Denominator != 'Not Available' AND [Measure ID]='PAYM_30_AMI'

9. 2012-2015 SELECT COUNT([Payment Category]) AS [Hospitals 2012-2015]
,CAST(SUM(patindex('%Greater%',[Payment Category]))as FLOAT)/COUNT([Payment Category]) AS [Prob]
, [Measure Start Date]
, [Measure End Date]
FROM [dbo].[HQI_HOSP_PaymentAndValueOfCare_2012_2015]
WHERE Denominator != 'Not Available' AND [Payment measure ID]='PAYM_30_AMI'
GROUP BY [Measure Start Date], [Measure End Date];

10. Query Results

11. Calculate Control Limits
Time Period
Number of Hospitals
2429
2369
2338
Observed Probability
0.157
0.154
0.109
Standard Deviation
0.007
Upper Limit
0.161
0.162
Lower Limit
0.119
Grand Average Rate
0.140
Average Rate =SUMPRODUCT(Number Hospitals, Observed)/SUM(Observed)
Standard Deviation =SQRT((Average Rate*(1-Average Rate))/# of Hospitals)
Upper Limit =Average Rate + 3 * Standard Deviation
Lower Limit =Average Rate - 3 * Standard Deviation

12. Fewer Hospitals Exceeded Average National 30-day AMI Payments.