Health Policy Manag.  2017 Dec;27(4):358-364. 10.4332/KJHPA.2017.27.4.358.

Computed Tomography Spending and Utilization for Inpatients with Cerebral Infarction in South Korea

Affiliations
  • 1Department of Health Policy and Management, Yonsei University Graduate School of Public Health, Seoul, Korea.
  • 2Review and Assessment Department, Daegu Branch, Health Insurance Review and Assessment, Seoul, Korea.
  • 3Department of Public Health, Yonsei University Graduate School, Seoul, Korea.
  • 4Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea.
  • 5Department of Health Administration, Namseoul University, Cheonan, Korea.
  • 6Department of Health Services Administration, Yuhan University, Bucheon, Korea.
  • 7Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea. ecpark@yuhs.ac

Abstract

BACKGROUND
Computed tomography (CT) is one of the most efficient diagnostic methods for stroke patients. The number of CT scanners in South Korea, however, is higher than in other countries, and may cause the overuse of this tool in healthcare. We aim to study the relationship between using CT and various patient and hospital characteristics among patients with cerebral infarction.
METHODS
We analyzed nationwide health insurance claims data for patients due to cerebral infarction during the second half of 2013 for up to 3 months. We performed multilevel analysis, including both inpatient and hospital-level variables, to determine how factors affect CT spending and utilization.
RESULTS
The data used in our study consisted of 17,046 hospitalizations at 583 hospitals. Inpatients who visited more than one hospital had higher CT utilization numbers and cost (number: ≥3 hospitals: β, 2.27; p <0.05; 2 hospitals: β, 0.70; p <0.05; cost: ≥3 hospitals: β, 251,108; p <0.05; 2 hospitals: β, 77,299; p <0.05). People who visited a general hospital had higher numbers and cost of CT utilization than people who visited a smaller hospital.
CONCLUSION
Increased sharing of records and improved continuity of care between hospitals are needed to help curb the overuse of CT.

Keyword

Computed tomography; Cerebral infarction; Health expenditures; Continuity of patient care

MeSH Terms

Cerebral Infarction*
Continuity of Patient Care
Delivery of Health Care
Health Expenditures
Hospitalization
Hospitals, General
Humans
Inpatients*
Insurance, Health
Korea*
Multilevel Analysis
Stroke
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