Fact Based List:
HealthGrades Methodology Steps In Developing Hospital Performance Ratings
Submitted by Anonymous on Fri, 03/02/2018 - 13:35
- They "determine what conditions a patient has or procedures performed to identify patient like groups using ICD-9 codes (and ICD-10 codes for Women’s Care) or in some cases DRGs.
- The model outcomes reflect clinical-based measures of patient disposition during and after care and include in-hospital complications, or in-hospital and 30-day post-admission mortality.
- They "consider the current condition of the patient and how that could possibly affect the outcome of the condition/procedure.
- They develop list of potential risk factors (comorbid conditions, etc.)
- They use logistic regression to determine which of the potential risk factors statistically relate to the outcome as well as the strength of that relationship.
- They determine the hospital's predicted outcome rate by summing the individual patient predicted values for each hospital.
- Using a statistical test, they compare the actual outcome for each hospital with that same hospital's predicted outcome.
- A star rating is then assigned based on whether the hospital performed statistically better than, the same as, or worse than the predicted outcome.
Source: Healthgrades Methodology: Anatomy of a Rating
Source URL: https://www.healthgrades.com/quality/ratings-awards/methodology
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