Effectiveness of a community-based integrated care ward (CICW) on 90-day readmission among the elderly people: a retrospective cohort study of a rural area in Japan.

Community-based integrated care wards (CICW) play a role in supporting the return of patients to their homes. However, studies investigating the readmission risk associated with CICW are lacking. To investigate the influence of CICW on readmission, we conducted a retrospective cohort study among Japanese elderly people.