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  • Title: Peak expiratory flow rates in healthy Saudi Arabian children living in Riyadh.
    Author: Graff-Lonnevig V, Harfi H, Tipirneni P.
    Journal: Ann Allergy; 1993 Nov; 71(5):446-50. PubMed ID: 8250350.
    Abstract:
    The peak expiratory flow rate (PEFR) was measured in 457 healthy Saudi schoolchildren (235 boys and 222 girls) aged 6 to 16 years, living in Riyadh, using two simple and commercially available airflow meters, Wright peak flow meter and the mini-Wright peak flow meter. All measurements were obtained in the standing position and the best of three trials was recorded. Standing height and age were used as independent variables. The regression equations for PEFR were determined for boys and girls separately. The boys had higher values than the girls at all heights. The difference was not significant. Both boys and girls had lower PEFRs as compared with European children and American children of different racial origin (P < .0001). When age was added to height as the second independent variable the Saudi boys and girls had significantly lower PEFRs than Swedish and British children (P < .0001). One explanation for these differences may be that the Saudi children on the average are shorter and have lower body weights than, eg, American children. The PEFR did not differ when using the Wright peak flow meter or the mini-Wright peak flow meter. These findings will serve as an important basis for preparing charts for normal PEFR values for Saudi children.
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