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- 저자 : 강유호(Rhoo Ho Kang) (검색결과 1 건)
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고영일(Young Il Koh),최인선(In Seon Choi),정익주(Ik Joo Jung),강유호(Rhoo Ho Kang),박상선(Sang Seon Park),이민수(Min Soo Lee),김영철(Young Chul Kim),박경옥(Kyung Ok Park),정은택(Eun Taek Jung),김헌남(Hun Nam Kim) 대한내과학회 1995 대한내과학회지 Vol.48 No.3
N/A Objectives: In the consideration of the variabilities of the test results related to the technical or the biologic factors, the standardized methods performing the ventilatory lung function test by spirometry were recommended by American Thoracic Society (ATS). However, even though most of the modern pulmonary function laboratories perform the lung function tests using the computerized standard spirometers and the standard performing methods, it is necessary to evaluate the intraindividual technical variabilities of the spirometric test results; in addition, there is no article about it published in Korea. Methods : The lung function tests of 13 normal subjects were performed in each laboratories of Chonnam University Hospital, Wonkwang University Hospital, and Kwangju Christian Hospital. Results: 1) The interlaboratory variability of the spirometric test results was significantly larger than the intralaboratory(Coefficients of Variation, CV: 7.25 ±5.33% vs 2.79±1.59%, p<0.05 in FVC; 7.23±5.22% vs 2.26±1.70%, p<0.05 in FEV₁). 2) The mean lung function test results measured by one machine were significantly larger than those by another(4.29±0.89L vs 4.13±0.90L, p<0.05 in FVC; 3.71±0.81L vs 3.51±0.80L, p<0.05 in FEV ,). However, the intermachine variability was not significantly different from the intramachine. 3) The intertechnician variability of spirometric test results measured by three different technicians was not significantly different from the intratechnician. 4) The significance level of intraindividual difference in spirometric test results were 12% in FVC and 12% in FEY, between the different laboratories, 5% in FVC and 6% in FEV₁, between the different machines, 3% in FVC and 4% in FEV₁, between the different technicians. Conclusion : These results suggest that the spirometric test must be interpreted cautiously under the consideration of such a variability, and that it is necessary to adhere strictly to the recommended methods of the equipment quality control and the maneuver performance, and to check regularly the inter and intralaboratory variabilities,
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