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  • Title: The most cost-effective screening method for chronic obstructive pulmonary disease among the Bangkok elderly.
    Author: Chuaychoo B, Maranetra N, Naruman C, Dejsomritrutai W, Lertakyamanee J, Chierkul N, Nana A, Thamlikitkul W, Suthamsmai T, Saengkaew S, Sreelum W, Aksornin M, Dechapol A, Sathet W.
    Journal: J Med Assoc Thai; 2003 Dec; 86(12):1140-8. PubMed ID: 14971522.
    Abstract:
    Our previous studies demonstrated the high prevalence and incidence of Chronic Obstructive Pulmonary Disease (COPD) among the Bangkok elderly, as well as the cost-effectiveness of a questionnaire, chest radiography, and mini peak expiratory flow rate (miniPEF) as screening tools. This final study aimed to identify the most cost-effective screening method among individual, serial and parallel combinations of the above tools, based on the guidelines for diagnosing COPD of the Thoracic Society of Thailand. There were 3,094 elderly aged 60 years and over in 124 urban communities around Siriraj Hospital who participated and completed all the tests. The results showed that the most cost-effective screening method was the miniPEF at cut-off percentage of 62 per cent of predicted value. This needed to screen 19 elderly people at a cost of 923 baht to detect one case of COPD, with a false negative rate of 1.9 per cent (95%CI 1.3-2.5), a false positive rate of 17.5 per cent (95%CI 15.4-19.6). The questionnaire is the alternative choice of screening tool.
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