J Korean Soc Hypertens.  2014 Mar;20(1):8-20. 10.5646/jksh.2014.20.1.8.

Analysis for the Patterns of Medical Care Utilization during 19 Years (1990-2008) and Its Related Factors in Hypertensive Patients Using National Patient Survey in Korea

Affiliations
  • 1Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea. namwookhur@gmail.com

Abstract

BACKGROUND
To analyze the patterns of medical care utilization and its related factors in hypertensive patients during 19 years (1990-2008), utilizing national patient survey in Korea.
METHODS
Using seven surveyed data, age-standardized medical care utilization increasing ratios for the inpatients and outpatients compared to the year of 1990 were calculated, respectively. Changes of medical facilities (%) of patients used in 1990, 1999, and 2008 were compared. For the outpatients, median length of stay and discharge mortality rate per 1,000 persons were calculated. Multivariate logistic regression methods were used to identify related factors of the resident patients and the comparison characteristics between hypertensives and the others of all subjects. Sample weights were used.
RESULTS
The medical care utilization of hypertensives were increased for both inpatients and outpatients. However, the ratios were dramatically diminished after the standardization. Age-standardized ratios were 3.6 in outpatients and 5.9 in inpatients compared to 1990. For the outpatients, mainly used medical facilities were changed from general hospital to convalescent hospital. Also, median length of stay and discharge mortality rate were increased up to 5 times and 4 times compared to 1990. The odds of being resident patients were related with discharge as death and using oriental medical center convalescent hospital in 2008. Hypertensive patients were older than the others. Confined to hypertensive patients, member of National Health Insurance was more tend to be outpatients but less inpatients.
CONCLUSIONS
Aging population and long-term care Act were presumed as the main reason for the increasing of medical care utilization in 1990 to 2008.

Keyword

Hypertension; Utilization review; Health care surveys

MeSH Terms

Aging
Health Care Surveys
Hospitals, Convalescent
Hospitals, General
Humans
Hypertension
Inpatients
Korea
Length of Stay
Logistic Models
Long-Term Care
Mortality
National Health Programs
Outpatients
Utilization Review
Weights and Measures
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