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Peak Expiratory Flow Rates in Healthy Turkish Children Living in Istanbul, Turkey

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In the evaluation and management of bronchial asthma, simple instruments for measurements of the peak expiratory flow (PEF) rate are needed. The aim of this study was to determine normal PEF values of Turkish children living in Istanbul. This is the largest study conducted in Turkey. In a cross-sectional study, we measured PEF in 2791 healthy schoolchildren (1468 boys and 1323 girls) aged 7–14 years, with a Mini Wright peak flow meter. We entered height, age, and sex into the regression equation. The equation for prediction of PEF in boys was calculated as (3.5 × height [cm]) + (9.2 × age [years]) – 256.5, (p < 0.0001; r = 0.83) and for girls as (3.3 × height [cm]) + (10.2 × age [years]) – 263.7 (p < 0.0001; r = 0.81). We found that PEF values of Turkish children were similar to British and Danish children, but significant differences were noted with Greek, Irish, Mexican American, African-American, and white American children. Our results were significantly lower compared with another study conducted in Adana, a small southern city (< 1 million inhabitants) in Turkey. Istanbul being a cosmopolitan big city (> 7 millions inhabitants) can reflect more reliably real PEF values of Turkish children. We concluded that our findings would serve as an important basis for preparing centile curves for normal PEF values for Turkish children.
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Document Type: Research Article

Publication date: September 1, 2004

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma and by having the potential to directly impact the quality of patient care. AAP welcomes the submission of original works including peer-reviewed original research and clinical trial results. Additionally, as the official journal of the Eastern Allergy Conference (EAC), AAP will publish content from EAC poster sessions as well as review articles derived from EAC lectures.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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