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논문 기본 정보

자료유형
학술저널
저자정보
한병현 (인제대학교 의과대학 일산백병원 이비인후과학교실) 윤지민 (인제대학교부속일산백병원) 최익수 (인제대학교)
저널정보
대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후-두경부외과학회지 제64권 제7호
발행연도
2021.1
수록면
479 - 485 (7page)

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초록· 키워드

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Background and Objectives Although studies of test-retest reliability of the standard polysomnographyhas been reported numerous times, studies of portable sleep devices have beenreported in very few cases to date. The purpose of this study is to investigate the test-retest reliabilityof level III devices, to examine the characteristics of patients with tendency of underestimationand to determine whether there are factors that can predict when retest is needed. Subjects and Method We enrolled 74 patients for this study from April 2014 to March2019. Two indicators were used to assess night to night variability. If the difference of apneahypopneaindex (AHI) score was less than 10 or there is no difference of severity of obstructivesleep apnea (OSA) between two nights, we decided that the results have a reliability. Results Seventeen out of 57 patients with an AHI difference of less than 10 showed unreliableresults based on severity, and 3 out of 17 patients with the AHI difference more than 10showed reliable results based on severity. Eight out of 74 patients were diagnosed at Night 2but not at Night 1. In other words, about 11% of the subjects needed retest. Based on thechange in severity of OSA, subjective sleep scores showed a statistically significant difference,indicating that the subjective sleep score should be considered when deciding a retest. AHI differed by more than 10 in about 23% of the subjects in this study, falling within “15%-32%,” which has been reported in the literature on the level I test. Conclusion This suggests that there is no significant difference in reliability between level Iand III.

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