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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한천식알레르기학회(구 대한알레르기학회) 천식 및 알레르기 천식 및 알레르기 제28권 제4호
발행연도
2008.1
수록면
271 - 276 (6page)

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초록· 키워드

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Background: The impulse oscillation system (IOS) is known to be more useful than spirometry for the evaluation of pulmonary function. Objective: The aim of this study was to compare short-term variations in spirometry and IOS parameters in healthy adults. Method: Spirometry and IOS parameters were measured in 12 healthy adults. Their mean age was 28.7±3.64 years; there were 6 males and 6 females. The differences in the mean values at various time intervals were tested with repeated-measures analysis of variance (ANOVA). The coefficients of repeatability and variation were calculated for assessing the repeatability and variability. Result: There were no statistically significant differences in the mean values of the spirometric parameters, FEV1, FVC, FEV1/FVC, FEV0.5, and PEF, and the IOS parameters, X5 and R20. In spirometry, the coefficient of repeatability on the first day was the smallest for FVC, FEV1/FVC, and MMEF. However, when IOS was used, it was the smallest only for Rf. The coefficient of variation in spirometry was the smallest for FEV1/FVC, and that in IOS was the smallest for R5 and X5. Conclusion: The variation in IOS values is larger than that in most of the spirometry parameters. X5 is the smallest coefficient of variations and statistically significant among the IOS parameters. (Korean J Asthma Allergy Clin Immunol 2008;28:271-276)

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