The multi-ethnic global lung initiative 2012 (GLI-2012) norms reflect contemporary adult's algerian spirometry

Ketfi, A.; Gharnaout, M.; Bougrida, M.; Saad, Helmi Ben

doi:10.1183/13993003.congress-2018.pa1390

Cited by 3 publications

(2 citation statements)

References 29 publications

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“…general practitioners and interstate records) and therefore information on early childhood factors for some individuals was missing. In these situations, we relied solely on parent self‐reporting to determine eligibility; however, this is common practice in similar population studies that have measured lung function . We acknowledge the challenges in using self‐reported data.…”

Section: Discussionmentioning

confidence: 99%

“…The Global Lung Function Initiative (GLI)‐2012 recently developed all‐age, multi‐ethnic reference equations. These reference equations span the 3–95 year age range and cover four major ethnic groups, Caucasian, African‐American, North‐ and South‐East Asian, as well as providing values for a mixed/other ethnicity group, and have been validated for several population groups including Caucasian Australians …”

Section: Introductionmentioning

confidence: 99%

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Global Lung Function Initiative‐2012 ‘other/mixed’ spirometry reference equation provides the best overall fit for Australian Aboriginal and/or Torres Strait Islander children and young adults

et al. 2019

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Background and objective Ethnic‐specific reference equations are recommended when performing spirometry. In the absence of appropriate reference equations for Australian Aboriginal and/or Torres Strait Islanders (Indigenous), we determined whether any of the existing Global Lung Function Initiative (GLI)‐2012 equations were suitable for use in Indigenous children/young adults. Methods We performed spirometry on 1278 participants (3–25 years) who were identified as Aboriginal, Torres Strait Islander or ‘both’. Questionnaires and medical records were used to identify ‘healthy’ participants. GLI2012_DataConversion software was used to apply the ‘Caucasian’, ‘African‐American’ and ‘other/mixed’ equations. Results We included 930 healthy participants. Mean z‐scores for forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) were lower than the Caucasian predicted values (range: −0.53 to −0.60) and higher than African‐American (range: 0.70 to 0.78) but similar to other/mixed (range: 0.00 to 0.08). The distribution of healthy participants around the upper and lower limits of normal (~5%) fit well for the other/mixed equation compared to the Caucasian and African‐American equations. Conclusion Of the available GLI‐2012 reference equations, the other/mixed reference equation provides the best overall fit for Indigenous Australian children and young adults (3–25 years). Healthy data from additional communities and adults around Australia will be required to confirm generalizability of findings.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Global Lung Function Initiative‐2012 ‘other/mixed’ spirometry reference equation provides the best overall fit for Australian Aboriginal and/or Torres Strait Islander children and young adults

et al. 2019

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Validation of the Global Lung Function Initiative 2012 Spirometry Reference Values in a Healthy Italian Working Population

Fontana

Cioffi

Leso

et al. 2022

IJERPH

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Background: Several studies showed important differences in the interpretation of spirometry based on different reference values, in particular by comparing European Respiratory Society (ERS) 1993 and Global Lung Function Initiative (GLI) 2012. The validation of new reference values in local populations is essential before they can be used in an appropriate manner. This study aimed to investigate the fit of GLI reference values in a healthy Italian working population. Methods: Spirometry data were collected in 1355 workers during their health surveillance medical examination conducted for exposure to chemical and biological risk factors. A single portable spirometer that met the ATS/ERS recommendations for occupational testing was used and calibrated daily. Results: Average z-score were −0.13 (with a median of −0.17), −0.25 (with a median of −0.24), and 0.18 (with a median of 0.17) for FEV1, FVC, and FEV1/FVC ratio, respectively. Considering only the normal-weighted workers, the average z-scores were −0.07 (with a median of −0.16), −0.15 (with a median of −0.16), and 0.07 (with a median of 0.02) for FEV1, FVC, and FEV1/FVC ratio, respectively. Conclusions: GLI 2012 reference values fit the Italian data satisfactorily, resulting as more accurate than ERS 1993, especially in women, normal-weighted subjects, aged 30−50 years, and for height < 165 cm.

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Clinical and Functional Characteristics of Interstitial Lung Disease in Algeria: A Single-Center Prospective Study

Ketfi,

Selatni,

Djouadi

et al. 2023

JoR

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Introduction: There are a limited number of epidemiological studies describing the global burden of chronic diffuse interstitial lung diseases (ILD) and their subtypes’ heterogeneity worldwide. Our main is to characterize new-onset ILDs in Algeria and compare our results with data from other populations. Materials and Methods: Newly diagnosed ILDs were prospectively collected in a single-center observational cohort study including all patients diagnosed as ILDs in the pulmonology, phthisiology, and allergology departments between 2015 and 2019. Detailed anamnestic and clinical data were collected at the time of diagnosis. The results of high-resolution computed tomography (HRCT), serological tests, biology data, and respiratory functional exploration were systematically performed and collected. Results: A total of 455 cases were included. The mean age was 59.4 ± 13.2 years. There was a slight predominance of females (300; 65.9%). The most common disease was ILD secondary to connective tissue disease (CTD) or ILD-CTD (48.1%), followed by idiopathic interstitial pneumonias (IIPs) (23.5%), sarcoidosis (16.9%), interstitial pneumonia with autoimmune features (IPAF) (12.1%), and hypersensitivity pneumonitis (HP) (2.4%). Idiopathic pulmonary fibrosis (IPF) was present in 8.6% and unclassifiable ILD in 4.6% of the total ILD cases. Conclusions: ILD-CTD, IIP, and sarcoidosis were the most frequently observed ILDs in this Algerian population. Similarities and many differences were found compared to previous data from other countries.

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The multi-ethnic global lung initiative 2012 (GLI-2012) norms reflect contemporary adult's algerian spirometry

Cited by 3 publications

References 29 publications

Global Lung Function Initiative‐2012 ‘other/mixed’ spirometry reference equation provides the best overall fit for Australian Aboriginal and/or Torres Strait Islander children and young adults

Global Lung Function Initiative‐2012 ‘other/mixed’ spirometry reference equation provides the best overall fit for Australian Aboriginal and/or Torres Strait Islander children and young adults

Validation of the Global Lung Function Initiative 2012 Spirometry Reference Values in a Healthy Italian Working Population

Clinical and Functional Characteristics of Interstitial Lung Disease in Algeria: A Single-Center Prospective Study

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