Factors associated with non-home discharge of patients hospitalized for hip fracture: A nationwide retrospective study using the Japanese diagnostic procedure combination database.

In Japan, the length of stay in acute care hospitals has been shortened, home medical care has been promoted following national policy. However, many issues remain in promoting home medical care. The aim of this study was to clarify the profiles of patients with hip fractures, aged ≥ 65 years, who were hospitalized in acute care institutions at the time of discharge and the influence on nonhome discharge. This study used data from patients who satisfied all the following conditions: Patients aged ≥ 65 years who were hospitalized and discharged between April 2018 and March 2019; Patients with hip fractures, and; Patients who were admitted from home. The patients were classified into the home discharge and nonhome discharge groups. Multivariate analysis was conducted by comparing socio-demographic status, patient background factors, patient status at discharge, and hospital function. This study included 31,752 patients (73.7%) and 11,312 patients (26.3%) in the nonhome discharge group and home discharge group, respectively. Overall, the proportions of males and females were 22.2% and 77.8%, respectively. The average (standard deviation) age of the patients was 84.1 years (7.4) and 81.3 years (8.5) in the nonhome discharge and home discharge groups, respectively (P < .01). The following factors affected nonhome discharge: 75 to 84 years (odds ratio [OR] = 1.81, 95% confidence interval [CI] = 1.68-1.96), ≥85 years (OR = 2.17, 95% CI = 2.01-2.36), electrocardiography or respiratory treatment "(Factor A3) (OR = 1.44, 95% CI = 1.23-1.68), level of assistance with activities of daily living "(Factor B1)" (OR = 4.56, 95% CI = 4.22-4.92), and hospital where the patient-to-nurse ratio is 7:1 (OR = 2.12, 95% CI = 1.91-2.35). The results suggested that support from activities of daily living caregivers and implementing medical treatments such as respiratory care are required to advance home medical care. This study's method enables analysis focusing on aspiration pneumonia and cerebral infarction, which are common among older adults. Furthermore, specific measures for promoting home medical care for patients who are highly dependent on medical and long-term care may be developed.