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 - Northwestern Memorial Hospital - Chicago

About Our Quality Ratings

There are several national organizations that define the best ways to measure quality. These organizations use research and expert consensus to decide what data to gather, how to analyze it and how to display the data. They set the standards to ensure that any participating hospital has reliable and accurate data. Some measures are very straightforward and objective, and some collect subjective data such as patient opinions.

In an effort to be transparent in our quality data reporting, we choose reliable national measures and then we report our data even if the results show that we need to improve. We share all the data with you, even if we are not yet meeting our performance goals on the measures.

Our quality measures were chosen because they meet these goals:

  • Transparency – we want measures to be upfront and easy to understand
  • Public methodology – the methods of collecting and analyzing data are available for study
  • Validity – we want measures to be validated by reputable research or expertise   
  • Comparisons – we want measures that can be compared to a national average or other comparison or benchmark so consumers can compare us with the high standards set for hospitals across the nation
  • Expertise – we choose measures that have been developed and tested by the most well-respected, independent national experts
  • Relevance – we choose measures that are relevant to our patients, to help you to understand, select  and plan for high quality healthcare

We display information in a way that is understandable and useful to you.  We share our results consistently over time; if our performance is not as high as we’d like, we show you the data anyway, while we work on improvement.  

Our Measures

We have included all the most relevant and useful measures adopted by leading independent agencies. We update measures at least once a year - more often when we are able to collect sufficient meaningful data.

Our Data

Our data gathering is comprehensive:

  • The data in our Quality Rating came primarily from patients’ medical records
  • Professional staff review every medical record and assign special codes to each one based on the physicians’ notes and other data describing the patient’s illnesses, complications, surgeries and other procedures  
  • For some quality measures, specially-trained nurses review the records to learn whether specific care processes were provided and whether complications arose
  • All data is subject to audit and review by numerous independent agencies, including:
    • Centers for Medicare and Medicaid Services
    • Joint Commission (Hospital Accreditation Agency)
    • Insurance companies
    • Others

Your Feedback

We want to know what you think. If there are aspects of care that we are not measuring, or you find measures you think should be updated, we want to hear your ideas. Please don't hesitate to send us an e-mail.

Methodology

Learn more about our data collection, validation and reporting process.

Disclaimer

In this quality report, Northwestern Memorial Hospital (“we”) lists their performance on numerous quality indicators and practices. When available, we’ve included performance data for comparison groups, such as the Illinois or United States average.

While we have attempted to ensure the accuracy of the data we report, we make no representations or warranties, expressed or implied, as to the accuracy or completeness of the information reported. Likewise, we make no representations or warranties, expressed or implied, as to the accuracy of the comparative data. We assume no legal liability or responsibility for any errors or omissions in the information or for any loss or damage resulting from the use of any information contained in our Quality Ratings or quality website.

Links to other sites are not endorsements of any site, and we do not have any control over or responsibility for the content of these sites. Likewise, any references to other organizations do not imply an endorsement by those organizations of Northwestern Memorial Hospital’s services or analyses. 

Last UpdateMarch 19, 2014

Questions & Comments

If you have a question or comment about our Quality Ratings, please complete our online questions & comments form and we will respond within two business days. If your concern requires immediate attention, please call 312-926-3112 so that a Patient Representative can assist you.

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