Observational studyJournal of general internal medicine2022
Hospitalizations for Ambulatory Care Sensitive Conditions in a Large City of Japan: a Descriptive Analysis Using Claims Data.
Observational study in Journal of general internal medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Regional Factors and Ambulatory Care-Sensitive Condition Hospitalizations in Older Japanese Adults.JAMA network open · 2025Article
- Analysis of the Incidence and Severity of Cellulitis During the COVID-19 Pandemic in Japan.The Journal of dermatology · 2025Article
- Polydoctoring and health outcomes among the very old population with multimorbidity: a retrospective cohort study in Japan.Scientific reports · 2025Article
- Association between transitional care in acute care hospitals and ambulatory care sensitive condition-related readmission.Age and ageing · 2025Observational
- Changes in inpatient and outpatient stroke admissions during COVID-19: a difference-in-differences analysis based on claims data from 242 acute care hospitals in Japan.BMJ public health · 2025Article
- Association between spatial access and hospitalization for ambulatory care sensitive conditions: A retrospective cohort study using claims data.SSM - population health · 2024Article
- In-Hospital Deaths From Ambulatory Care-Sensitive Conditions Before and During the COVID-19 Pandemic in Japan.JAMA network open · 2023Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHospitalization for ambulatory care sensitive conditions (ACSCs) is an indicator of the quality of primary care in different health systems. In Japan, where patients can choose any healthcare facility with universal health coverage (UHC), data on these admissions are unknown.
objectiveTo describe the current situation of ACSC admissions in a city of Japan.
designRetrospective observational study using claims data.
participantsBeneficiaries aged 0-74 years of the National Health Insurance (NHI) program in a large city in the Greater Tokyo Area. We extracted ACSC admissions from all inpatient claims between April 2013 and March 2017. MAIN MEASURES: We calculated age- and sex-specific annual ACSC admission rates for three categories: acute, chronic, and vaccine-preventable. We estimated the age-adjusted admission rates by ACSC category according to administrative districts and rate ratios using Poisson regression models. We also estimated medical expenditures and lengths of stay for ACSC admissions. KEY
resultsOf 91,350 hospitalization episodes, we identified 7666 (8.4%) that were ACSC admissions. Males had higher annual ACSC admission rates than females (p < 0.001), especially for chronic ACSCs. Admission rates were lowest in those aged 15-39 years and higher in the youngest (0-4 years) and oldest (70-74 years) age groups. Age-adjusted chronic ACSC admission rates were lower in a newly developed area (rate ratio [RR]: 0.79, 95% confidence interval [CI]: 0.71-0.87) and higher in a residential area (RR: 1.14, 95% CI: 1.04-1.24) than in the center of the city. Total medical expenditures for all ACSC admissions accounted for 5.8% of the total inpatient expenditures of NHI in the city.
conclusionsACSC admission rates in Japan were higher for males than for females and showed a U-shaped trend in terms of age, as in other countries with UHC, and deferred by region. This study provided possible factors to reduce ACSC admissions.
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