|Title:||PREVALENCE AND RISKS OF CHRONIC AIRWAY OBSTRUCTION - A POPULATION COHORT STUDY IN TAIWAN||Authors:||WANG, YU-CHUN
|Keywords:||chronic airway obstructions;comorbidity;population cohort;universal health insurance||Issue Date:||2007||Journal Volume:||v.131||Journal Issue:||n.3||Start page/Pages:||705-710||Source:||CHEST||Abstract:||
Background: This study investigated the prevalence, incidence, and hospitalization for chronic airway obstruction (CAO) in a population cohort. Methods: Medical reimbursement claims from 1996 to 2002 based on a 1996 insured cohort of 167,372 persons from National Health Insurance, Taiwan, were used. We presented the chronological trends of CAO (International Classification of Diseases, Ninth Revision code 496) and the relationships between the CAO severity and age, sex, urbanization, and hospitalization and comorbidity for the population >= 40 years old. Results : The overall average annual prevalence and incidence rates were 2.48/100 and 0.66/100, respectively, for the population , among 4,568 patients with CAO cared during the. study period. For the population aged >= 70 years, the prevalence rates had a peak of 8.83/100 in 1998 and afterward remained a plateau until 2002. The corresponding incidence decreased from 2.48/100 to 1.62/100, and the hospitalization rate for them had a peak of 2.22/100 in 1999 . The multivariate logistic regression analysis showed that the risk of hospitalization for CAO was higher for patients with the comorbidity of renal failure, coronary artery disease, and pneumonia and influenza, but lower with skin and joint disorders. Conclusions: The national insurance program promotes patient care and provides a proper pathway for surveillance and identification of CAO.
|Appears in Collections:||環境與職業健康科學研究所|
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