Study design
death, dementia
This prospective multicentre cohort study included patients from four affiliated small-to-medium-scale hospitals with 200–580 beds, all of which conduct CR. Inclusion criteria comprised patients who were admitted to the affiliated hospitals from October 2020 to July 2022, participated in phase I CR, were hospitalized for more than five days, and had not been hospitalized for a medical procedure such as coronary angiography and percutaneous coronary intervention without CR. Excluded were patients with probable dementia (based on diagnosis or Mini-Mental State Examination score < 24), difficulty walking alone, disagreement with informed consent, hospital death, and data deficits.