The normal range of diurnal changes in peak expiratory flow rates. Relationship to symptoms and respiratory disease.
The normal range of diurnal changes in peak expiratory flow rates. Relationship to symptoms and respiratory disease.
复制标题
呼气峰流速每日变化的正常范围。
DOI：
10.1164/ajrccm/143.2.323
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发表时间：
1991
期刊：
影响因子：
--
通讯作者：
Krzyzanowski,M
中科院分区：
文献类型：
--
作者：
Quackenboss,JJ;Lebowitz,MD;Krzyzanowski,M
每天多次测量呼气峰流量（PEFR）可以客观评估功能变化。由于环境或职业暴露…年代,这……port描述了pefr1的日变化模式。Nce人口，并定义了“正常”的日间和日间变化范围。日变化指数S定义为最大值与最小值之比，wh....最大值仅限于PEFR测量。d在中午或晚上（N， E），最小值为…（M， B）。比率g…纯黑色th。n正常……p…不夸张。不正常。1 . PEFR的日模式。正常范围，基于…的第95个百分位数铁……至于人口，我们…给孩子更大的……的比例（130%）高于15 - 35岁的成年人（117%）。年龄大于35岁（118%）。的意义。xcesslve dlurn。1 . PEFRwas的变化。xamlned由…Iat -
Measuring peak expiratory flow rates (PEFR) several times a day can provide an ObJective assessment of functional changes... Iatlve to environmental or occupational exposu... s. This... port describes the pattern of diurnal changes In PEFRIn a refe... nce population, and defines ranges of" normal" between-and wlthln-day variability. An Index of diurnal chang. s was defined as the ratio between maximal and minimal values, wh.... the maximal value was restricted to PEFR measu... d at noon or In the evening (N, E) and the minimal value was... strlcted to the morning or at bedtime (M, B). A ratio g... ater th. n normal... p..... nted an exagg. r. tlon of the norm. 1 diurnal pattern In PEFR. Normal limits, based on the ninety-fifth percentile In the... fe... nce population, we... larger for chlld... n (130%) than for adults 15 to 35 yr of age (117%) and tho.. older than 35 yr of age (118%). The meaningfulness of. xcesslve dlurn. 1 changes In PEFRwas. xamlned by... Iat-