The purpose of this study is to estimate a direct/indirect medical cost and to provide evidence establishing efficient strategies to reduce medical costs of COPD in Korea.
This study is a multi-center research on economic burdens of COPD for a year. It is composed of three phases detailed as follow. Phase 1: Direct Cost Estimation in COPD patients (N = 400) Direct cost determined as amount of money expended to medical institutes for treatment. Estimated costs, based on the information from Health insurance review agency(HIRA) and The National Health and Nutrition Examination Survey (NHANES) data, are collected. Phase 2: Indirect cost Estimation by Sampling Survey in COPD patient Indirect cost is extra-expanses excluding hospital fees, including cost for transportation, medical instruments, home care services and loss of labor capacity reduction. The information was collected by structured questionnaire for 12 weeks. Phase 3: Direct/Indirect cost is validated and analyzed based on the collected information from phase 1 and 2 according to severity defined by the GOLD guideline.
Study Type
OBSERVATIONAL
Enrollment
390
Money spent to treat COPD in medical institute based on HIRA
extra-expanses excluding hospital fees
Konkuk University Hospital
Gwangjin Gu, Seoul, South Korea
Total cost of COPD
Korean won, KRW
Time frame: 1 year
The number of acute exacerbations
Number of events
Time frame: 1 year
The cost of alternative medication use
We will add up the costs of herbal medicine, health supplement, medical equipments and respiratory rehabilitation. According to patients, the items of alternative medication use would be different.
Time frame: three months
Cost of productivity lost
Reduction of working hour and monthly income for being late or abscence from work.
Time frame: Last 7days from filling out questionnaires
EuroQol five dimension(EQ-5D)
Measured by questionnaire based by EQ -5D ( EQ-5D essentially consists of 2 pages - the EQ-5D descriptive system and the EQ visual analogue scale (EQ VAS) . The EQ-5D-5L descriptive system comprises the following 5 dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems, slight problems, moderate problems, severe problems, and extreme problems )
Time frame: 3 months
The total number of visits
primary clinics, emergency department and hospital admission.
Time frame: 1 year
Nursing cost
payment for nurse (Korean won, KRW)
Time frame: 1 year (past 1 year before filling questionnaires)
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