Public hospitals play a vital role in caring for aging populations, yet many operate under financial strain and limited resources. As populations grow older, these pressures can intensify existing imbalances in healthcare access and resource distribution. In Japan, where the pace of population aging varies considerably across regions, these demographic shifts have contributed to unequal access to healthcare services for older adults.
Previous research has suggested that restructuring public hospitals may help address mismatches in healthcare resources, particularly because public institutions are generally better positioned than private hospitals to adapt to regional healthcare needs. However, much of the existing work has relied on qualitative analysis, leaving limited quantitative evidence about how such reforms affect local healthcare systems. Motivated by this gap, researchers at Kyoto University investigated how public hospital restructuring influenced hospital admissions among older adults in Japan.
“Many countries have reformed public hospitals to reduce resource imbalances, but there is limited information on the impact this has on communities and the regional healthcare system,” says first author Kenji Kishimoto.
The researchers focused on a secondary medical service area in Japan experiencing both population aging and population decline. Prior to restructuring, more than half of elderly residents requiring hospitalisation were admitted to facilities outside the region because local hospitals lacked sufficient acute care capacity. The reforms centralised acute care services, reduced the total number of hospital beds while increasing chronic care beds, and expanded the number of physicians working in the area.
Using administrative claims data and statistical modelling, the team analysed monthly hospital admissions among residents aged 65 and older from 36 months before to 48 months after the restructuring. The dataset covered nearly 59,000 hospital admissions. Researchers also incorporated hospital admissions in neighbouring regions to better account for broader healthcare trends and regional shifts in service use.
The findings showed that monthly admissions within the region increased substantially following the restructuring, eventually reaching levels comparable to admissions occurring outside the area. The results suggest that reorganising public hospitals strengthened local capacity for elderly admissions while improving the efficiency of bed management, even though the total number of hospital beds declined overall.
The study underscores the importance of evaluating community-level hospital admissions when assessing the effects of public hospital restructuring. The researchers note that future studies could further explore how these reforms influence patient-centred outcomes, including quality of care, while also examining factors such as healthcare accessibility and socioeconomic conditions.
More information: Kenji Kishimoto et al, Impact of public hospital restructuring on the admission of elderly residents in Japan: a regional population-based study, BMC Health Services Research. DOI: 10.1186/s12913-026-14388-3
Journal information: BMC Health Services Research Provided by Kyoto University
