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The applicability of the Global Lung Initiative equations and other regional equations on a sample of healthy Middle Eastern adolescents.

Al‐Qerem, Walid, Alassi, Ameen, Jarab, Anan S. and Ling, Jonathan (2021) The applicability of the Global Lung Initiative equations and other regional equations on a sample of healthy Middle Eastern adolescents. The Clinical Respiratory Journal. ISSN 1752-699X

Item Type: Article

Abstract

Background
The Global Lung Initiative 2012 (GLI‐2012) spirometry equations are multi‐ethnic equations that cover all ages between 3 and 95. However, there is a need to evaluate the suitability of these equations to a sample of Middle Eastern adolescents prior to being applied in clinical practice. The aim of this study is to evaluate the suitability of GLI‐2012 equations and two regional equations to a sample of Jordanian adolescents.

Methods
Spirometric measures were collected from 1036 healthy 14 to 17‐year‐old Jordanian children. z‐scores, predicted values, percent predicted values, and frequency of measures below lower limit of normal (LLN) were calculated for each adolescent using the studied equations.

Results
The means of z‐scores produced by GLI‐2012 equations for Caucasians in forced expiratory volume in the first second (FEV1), forced vital capacity (FVC), FEV1/FVC% and mid forced expiratory flow (FEF25‐75) for boys were 0.12, −0.06, 0.34 and 0.09, respectively, while for girls they were −0.09, −0.16, 0.19 and −0.05, respectively. The mean of z‐scores produced by GLI‐2012 Other or Mixed equations in FEV1, FVC, FEV1/FVC% and FEF25‐75 for boys were 0.74, 072, 021 and 0.33, respectively, and for girls were 0.53, 0.56,0.02 and 0.2, respectively. The frequency of measures below LLN as produced by GLI 2012 for Caucasians were significantly different from the expected 5% in FEV1 and FEF25‐75 in boys only, whereas Other or Mixed produced frequencies significantly different from the expected 5% in most of the parameters.

Conclusion
Spirometry reference equations formulated for Jordanian adolescents may improve the diagnosis and treatment of asthma in Jordan.

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More Information

Uncontrolled Keywords: Genetics(clinical), Immunology and Allergy, Pulmonary and Respiratory Medicine
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SWORD Depositor: Publication Router
Depositing User: Publication Router

Identifiers

Item ID: 13114
Identification Number: https://doi.org/10.1111/crj.13329
ISSN: 1752-699X
URI: http://sure.sunderland.ac.uk/id/eprint/13114
Official URL: https://onlinelibrary.wiley.com/doi/10.1111/crj.13...

Users with ORCIDS

ORCID for Walid Al‐Qerem: ORCID iD orcid.org/0000-0001-9831-7572
ORCID for Jonathan Ling: ORCID iD orcid.org/0000-0003-2932-4474

Catalogue record

Date Deposited: 02 Feb 2021 11:51
Last Modified: 15 Jan 2022 03:38

Contributors

Author: Walid Al‐Qerem ORCID iD
Author: Jonathan Ling ORCID iD
Author: Ameen Alassi
Author: Anan S. Jarab

University Divisions

Faculty of Health Sciences and Wellbeing > School of Nursing and Health Sciences

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