Within Measurement Period Trends
2018 Measure Reporting Year
April 2014 - June 2017
Evaluating trends over time is necessary to identify patterns, changes, and potential unintended consequences in measure results. Users can examine national results for individual years within the current public reporting measurement period. More information on the measurement period can be found in the Notes section below. The visualization can be organized by condition/procedure or by type of measure outcome. Please note that while the graphs present exact data, the sparklines in the default views represent a general shape of changes over time.
To begin exploring the data, please do the following:
Select up to 18 measures (all 18 are selected by default)
Create up to 4 hospital profiles (in addition to the default profile of all hospitals).
Click on the sparklines in the table below to explore percent change from the first year of the three-year measurement period.
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Table View
How This Is Calculated
To calculate three-year trends, we examined the national measure results for each year of the three-year public reporting measurement periods. The dates for each year of data collection in the public reporing measurement period are listed in the notes section below. We allow users to view the results by hospital characteristic profiles with 5 or more hospitals.
For each year of the three-year measurement period, all hospitals are ranked in order of performance and the median is determined.
The graphs use units of percent change, with the first year of the performance period fixed at zero and subsequent years located relative to the first. The following formula is used to calculate percent change:
For each year of the three-year measurement period, the 25th and 75th percentiles determine the interquartile ranges for the results.
Notes
Data Sources
Medicare Part A and B administrative claims and enrollment databases (2014-2017)
Inpatient Prospective Payment System (IPPS) Improving Medicare Post-Acute Care Transformation (IMPACT) Act File 2017
Table 1. Included Measures
Outcome | Condition/Procedure | Measurement Period |
Mortality | Acute Myocardial Infarction, Coronary Artery Bypass Graft Surgery, Chronic Obstructive Pulmonary Disease, Heart Failure, Pneumonia, Stroke | Year 1: 7/1/2014 – 6/30/2015 Year 2: 7/1/2015 – 6/30/2016 Year 3: 7/1/2016 – 6/30/2017
|
Complication | Total hip arthroplasty and/or total knee arthroplasty | 4/2014 - 3/2017 |
Readmission | Acute Myocardial Infarction, Coronary Artery Bypass Graft Surgery, Chronic Obstructive Pulmonary Disease, Heart Failure, Pneumonia, Stroke, Total hip arthroplasty and/or total knee arthroplasty | Year 1: 7/1/2014 – 6/30/2015 Year 2: 7/1/2015 – 6/30/2016 Year 3: 7/1/2016 – 6/30/2017 |
Payment | Acute Myocardial Infarction, Heart Failure, Pneumonia | Year 1: 7/1/2014 – 6/30/2015 Year 2: 7/1/2015 – 6/30/2016 Year 3: 7/1/2016 – 6/30/2017 |
Total hip arthroplasty and/or total knee arthroplasty | Year 1: 4/1/2014 – 3/31/2015 Year 2: 4/1/2015 – 3/31/2016 Year 3: 4/1/2016 – 3/31/2017 |
Methodology Sources
AMI, COPD, Heart Failure, Pneumonia, and Stroke Readmission Measures Methodology: Jaymie Simoes, Jacqueline N. Grady, Jo DeBuhr, et al. 2018 Condition-Specific Measures Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Readmission Measures: Acute Myocardial Infarction – Version 10.0, Chronic Obstructive Pulmonary Disease – Version 6.0, Heart Failure – Version 10.0, Pneumonia – Version 10.0, Stroke – Version 6.0. https://www.qualitynet.org/inpatient/measures/readmission/resources#tab3 Available as of April 4, 2018.
CABG and Hip/Knee Arthroplasty Readmission Measures Methodology: Jaymie Simoes, Jacqueline N. Grady, Jo DeBuhr, et al. 2018 Procedure-Specific Measures Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Readmission Measures: Isolated Coronary Artery Bypass Graft (CABG) Surgery – Version 4.0, Elective Primary Total Hip Arthroplasty (THA) and/or Total Knee Arthroplasty (TKA) – Version 6.0. https://www.qualitynet.org/inpatient/measures/readmission/resources#tab3. Available as of April 4, 2018.
AMI, COPD, Heart Failure, Pneumonia, and Stroke Mortality Measures Methodology: Jaymie Simoes, Jacqueline N. Grady, Jo DeBuhr, et al. 2018 Condition-Specific Measures Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Mortality Measures: Acute Myocardial Infarction – Version 11.0, Chronic Obstructive Pulmonary Disease – Version 6.0, Heart Failure – Version 11.0, Pneumonia – Version 11.0, Stroke – Version 6.0. https://www.qualitynet.org/inpatient/measures/mortality/resources#tab3. Available as of April 4, 2018.
CABG Mortality Measure Methodology: Jaymie Simoes, Jacqueline N. Grady, Jo DeBuhr, et al. 2018 Procedure-Specific Measure Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Mortality Measure: Isolated Coronary Artery Bypass Graft (CABG) Surgery – Version 4.0. https://www.qualitynet.org/inpatient/measures/mortality/resources#tab3 Available as of April 4, 2018.
Hip/Knee Arthroplasty Complication Measure Methodology: Jaymie Simoes, Jacqueline N. Grady, Jo DeBuhr, et al. 2018 Procedure-Specific Measure Updates and Specifications Report Hospital-Level Risk-Standardized Complication Measure: Elective Primary Total Hip Arthroplasty (THA) and/or Total Knee Arthroplasty (TKA) – Version 6.0. https://www.qualitynet.org/inpatient/measures/complication/resources#tab3. Available as of April 4, 2018.
AMI, Heart Failure, Pneumonia, and Hip/Knee Arthroplasty Payment Measures Methodology: Jaymie Simoes, Jacqueline N. Grady, Jo DeBuhr, et al. 2018 Measure Updates and Specifications Report Hospital-Level Risk-Standardized Payment Measures: Acute Myocardial Infarction – Version 6.0, Heart Failure – Version 4.0, Pneumonia – Version 4.0, Elective Primary Total Hip Arthroplasty (THA) and/or Total Knee Arthroplasty (TKA) – Version 3.0. https://www.qualitynet.org/inpatient/measures/payment/resources#tab2. Available as of April 4, 2018.
Related Research
To view PDF documents you will need the Adobe Acrobat Reader.
AMI, COPD, Heart Failure, Pneumonia, and Stroke Readmission: Three Year Trends
[PDF, 295.86 KB]Trends in national 30-day readmission rates across hospitals following admission for AMI, COPD, heart failure, pneumonia, and stroke ...
AMI, Heart Failure, and Pneumonia Payment: Three Year Trends
[PDF, 268.8 KB]Trends in national 30-day standardized payments across hospitals following admission for AMI, heart failure, and pneumonia (July 2013 -...
CABG and Hip/Knee Arthroplasty Readmissions: Three Year Trends
[PDF, 339.54 KB]Trends in national 30-day readmission rates across hospitals following admission for CABG and hip/knee arthroplasty (July 2013 - June 2016)
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