More bars are better. The more bars a facility has, the better they did at creating a positive patient experience, preventing serious complications, and preventing healthcare-associated infections.
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Patient Experience uses data from the Hospital CAHPS, Clinician & Group CAHPS, and Patient-Centered Medial Homes CAHPS collected during 2014 - 2015.
Preventing Serious Complications uses data from the Federal Agency for Health Research & Quality's Patient Safety Indicators collected during July 1, 2013 - June 30, 2015. A facility's rating is the rate per 1,000 eligible hospital discharges. A lower number is better.
Preventing Healthcare-Associated Infections uses data collect by the Federal Centers for Disease Control (CDC) for the October 1, 2014 - September 30, 2015 reporting period. A facility's rating is the ratio of the number of infections in a facility over the expected number of infections. A lower number is better.
CompareMaine reports performance ratings using Standardized Infection Ratio (SIR), which adjusts for differences in the characteristics of hospitals and patients. A SIR greater than 1.0 means that there were more HAIs in a facility than were predicted. A SIR lower than 1.0 indicates the facility had fewer HAIs than were predicted.