"Among VA [Veterans Health Administration] pneumonia readmissions, PPR [Potentially Preventable Readmissions] categorisation did not produce the expected quality of care findings. Either PPR–yes cases are not more preventable, or preventability assessment requires other data collection methods to capture poorly documented processes (eg, direct observation)."
Do pneumonia readmissions flagged as potentially preventable by the 3M PPR software have more process of care problems? A cross-sectional observational study
AM Borzecki et al.
BMJ Quality and Safety 2015;24:753-763 doi:10.1136/bmjqs-2014-003911
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