According to a recent cohort study of 1,000 hospital readmissions,

26.9% were deemed potentially preventable. The most common factors associated with potentially preventable readmissions included the following:

• emergency department decision making regarding the readmission, affecting 9.0%
• patient unable to keep appointments after discharge, affecting 8.3%
• patient discharged too soon from the hospital, affecting 8.7%
• patient lack of awareness of whom to contact after discharge, affecting 6.2%

Source: "Preventability and Causes of Readmissions in a National Cohort of General Medicine Patients," JAMA Internal Medicine, April 2016, abstract only,

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