Hospital Measure Results Agreement

2019 Measure Reporting Year

Measurement Period: April 2015 - June 2018

Examine how consistently hospitals perform on pairs of outcome measures. For example, do hospitals that have low risk-standardized mortality rates for pneumonia tend to have low risk-standardized mortality rates for heart failure as well? Consistency is shown by the calculated level of agreement between an individual hospital's relative results on two selected outcomes measures.

To begin exploring the data:

  1. Click on a circle to compare within outcomes or across outcomes.
  2. Select one reference condition/procedure.
  3. Toggle between quartiles, quintiles, deciles or performance categories to increase or decrease the levels of agreement. 
  4. View the results as a pie chart for broad resuts or as a scatterplot for more detail.

 

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Compare within or across outcomes

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Compare across outcomes:

Current Characteristics:

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Levels of Agreement of Hospital Measure Results

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Scatterplot of Hospital Measure Results

Table View

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Other Years

2019 2018

How Do We Determine Agreement

For Quartiles, Quintiles, and Deciles

1. All hospitals are ranked in order of decreasing performance on the selected reference measure.
2. The hospitals are divided into groups based on their ranking.
  • 4 groups for quartiles, 5 groups for quintiles, 10 groups for deciles

3. Steps 1 and 2 are repeated for all measures being compared to the reference measure.
  • Within outcomes, the reference measure is compared to all other measures that have the same outcome (for example, AMI mortality compared to all other mortality measures)

  • Across outcomes selection, the reference measure is compared to measures with different outcomes but the same condition (for example, AMI mortality vs. AMI payment)

 
4. For any combination of two measures, the level of agreement for each hospital on the two measures is determined by the difference in the hospital’s group ranking (quartile, quintile, or decile number) for the two measures.
5. On the scatterplot, the hospitals are displayed in clusters that corresponds to their measure results and group rankings.

Notes

For the publicly reported results by hospital, please visit Hospital Compare.

MEASUREMENT PERIOD

The measures included in this visualization have the following measurement period:

Table 1. Included Measures

Outcome 

Condition/Procedure

Measurement Period

Mortality

Acute Myocardial Infarction

7/2015 - 6/2018

Coronary Artery Bypass Graft Surgery

7/2015 - 6/2018

Chronic Obstructive Pulmonary Disease

7/2015 - 6/2018

Heart Failure

7/2015 - 6/2018

Pneumonia

7/2015 - 6/2018

Stroke

7/2015 - 6/2018

Complication

Total hip arthroplasty and/or total knee arthroplasty

4/2015 - 3/2018

Readmission

Acute Myocardial Infarction

7/2015 - 6/2018

Coronary Artery Bypass Graft Surgery

7/2015 - 6/2018

Chronic Obstructive Pulmonary Disease

7/2015 - 6/2018

Heart Failure

7/2015 - 6/2018

Hospital-wide

7/2017 - 6/2018

Pneumonia

7/2015 - 6/2018

Total hip arthroplasty and/or total knee arthroplasty

7/2015 - 6/2018

Payment

Acute Myocardial Infarction

7/2015 - 6/2018

Heart Failure

7/2015 - 6/2018

Pneumonia

7/2015 - 6/2018

Total hip arthroplasty and/or total knee arthroplasty

4/2015 - 3/2018

Excess Days in Acute Care

Acute Myocardial Infarction

7/2015 - 6/2018

Heart Failure

7/2015 - 6/2018

Pneumonia

7/2015 - 6/2018

 
DATA NOTES

Only hospitals with at least 25 qualifying hospitalizations for a given measure are included in the visualization.

Beginning with the 2019 reporting year, the stroke readmission measure was removed from this data visualization because this measure is no longer reported in the Inpatient Quality Reporting Program (IQR). This measure’s results are still available in reporting years prior to 2019.

DEFINITIONS

Table 2. Key Definitions

Term

Definition

Within Outcomes

Comparison of different conditions within a specified outcome (ex. AMI mortality vs. Heart failure mortality)

Across Outcomes

Comparison of the same condition (with the same cohort of patients) across different outcomes (ex. AMI mortality vs. AMI payment)

Quartiles

Four equal groups into which a population can be divided per the distribution of values

Quintiles

Five equal groups into which a population can be divided per the distribution of values

Reference Measure

Measure of interest or measure used to compare to all remaining measures with the same outcome

Scatterplot

A scatterplot is used to display values for two variables in a set of data. Scatterplots are used to examine how much one variable is affected by another.

Performance categories

To categorize hospital performance, hospitals are classified based on their risk-standardized rate and the associated 95% interval estimate as:
- No Different than the National Rate
- Worse than the National Rate
- Better than the National Rate

Payment "performance" categories

To categorize hospital payment results, hospitals are classified based on their risk-standardized payment and the associated 95% interval estimate as:
- No Different than the National Payment
- Less than the National Payment
- Greater than the National Payment

 

Methodology Sources

CABG Mortality Measure Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 Procedure-Specific Measure Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Mortality Measure: Isolated Coronary Artery Bypass Graft (CABG) Surgery – Version 6.0. https://qualitynet.org/inpatient/measures/mortality/methodology. Available as of April 23, 2019.

Hip/Knee Arthroplasty Complication Measure Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 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 8.0. https://qualitynet.org/inpatient/measures/complication/methodology. Available as of April 23, 2019.

AMI, Heart Failure, Pneumonia Excess Days in Acute Care Measure Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 Condition-Specific Measures Updates and Specification Report Hospital-Level 30-Day Risk-Standardized Excess Days in Acute Care Measures: Acute Myocardial Infarction – Version 4.0, Heart Failure – Version 4.0, Pneumonia – Version 3.0. https://www.qualitynet.org/inpatient/measures/edac/methodology Available as of April 23, 2019.

AMI, Heart Failure, Pneumonia, and Hip/Knee Arthroplasty Payment Measures Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 Measure Updates and Specifications Report Hospital-Level Risk-Standardized Payment Measures: Acute Myocardial Infarction – Version 8.0, Heart Failure – Version 6.0, Pneumonia – Version 6.0, Elective Primary Total Hip Arthroplasty (THA) and/or Total Knee Arthroplasty (TKA) – Version 5.0. https://qualitynet.org/inpatient/measures/payment/methodology. Available as of April 23, 2019.

AMI, COPD, Heart Failure, and Pneumonia Readmission Measures Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 Condition-Specific Measures Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Readmission Measures: Acute Myocardial Infarction – Version 12.0, Chronic Obstructive Pulmonary Disease – Version 8.0, Heart Failure – Version 12.0, Pneumonia – Version 12.0. https://qualitynet.org/inpatient/measures/readmission. Available as of April 23, 2019.

AMI, COPD, Heart Failure, Pneumonia, and Stroke Mortality Measures Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 Condition-Specific Measures Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Mortality Measures: Acute Myocardial Infarction – Version 13.0, Chronic Obstructive Pulmonary Disease – Version 8.0, Heart Failure – Version 13.0, Pneumonia – Version 13.0, Stroke – Version 8.0. https://qualitynet.org/inpatient/measures/mortality/methodology. Available as of April 23, 2019.

Hospital-Wide Readmission Measure Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 All-Cause Hospital-Wide Measure Updates and Specifications Report: Hospital-Level 30-Day Risk-Standardized Readmission Measure – Version 8.0. https://qualitynet.org/inpatient/measures/readmission/methodology. Available as of April 23, 2019.

CABG and Hip/Knee Arthroplasty Readmission Measures Methodology: Lori Wallace, Jacqueline N. Grady, Darinka Djordjevic, et al. 2019 Procedure-Specific Measures Updates and Specifications Report Hospital-Level 30-Day Risk-Standardized Readmission Measures: Isolated Coronary Artery Bypass Graft (CABG) Surgery – Version 6.0, Elective Primary Total Hip Arthroplasty (THA) and/or Total Knee Arthroplasty (TKA) – Version 8.0. https://qualitynet.org/inpatient/measures/readmission. Available as of April 23, 2019.

Resources: 

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