Evaluation of Different Dyspnea Scales in Smokers with Preserved FEV1/FVC Ratio

Besim Morina; Blerina Dervisholli; Mark Ross; Burim Neziri

doi:10.21103/Article15(1)_OA3

Evaluation of Different Dyspnea Scales in Smokers with Preserved FEV1/FVC Ratio

Besim Morina, Blerina Dervisholli, Mark Ross, Burim Neziri^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Background: This study evaluated the relationships between two dyspnea scales (Modified Borg Scale [MBS] and modified Medical Research Council dyspnea scale [mMRCds]) and clinical characteristics of smokers with preserved FEV₁ /FVC ratio. It also assessed their ability to differentiate symptomatic (CAT score ≥10) from asymptomatic smokers (CAT score <10).

Methods and Results: Sixty-one smokers (FEV1: 98.69±15.83% of predicted, age: 29–77 years) were included in this study. Dyspnea intensity was assessed using MBS and mMRCds, and correlations were examined between these scales and pulmonary function tests, quality of life (QoL) indices, and physical parameters. ROC analysis determined cutoff values for dyspnea scales. MBS (1.29±1.16) and mMRCds (0.61±0.92) scores were higher in symptomatic smokers. Both scales significantly correlated with 6-minute walk distance (MBS: r_s =-0.519; mMRCds: r_s =-0.699; P<0.001 in both cases) and QoL measures (CAT, SGRQ). Spirometry parameters showed significant correlations with both scales. ROC analysis demonstrated strong discriminatory ability for both mMRCds and MBS between symptomatic and asymptomatic groups.

Conclusion: mMRCds and MBS effectively assess dyspnea in smokers with preserved FEV1/FVC ratio, correlating with clinical and functional outcomes and distinguishing between symptomatic and asymptomatic individuals.

Original language	English
Pages (from-to)	72-77
Number of pages	6
Journal	International Journal of Biomedicine
Volume	15
Issue number	1
Early online date	5 Mar 2025
DOIs	https://doi.org/10.21103/Article15(1)_OA3
Publication status	Published - Mar 2025

Keywords

dyspnea
exercise test
quality of life
smoking
spirometry

ASJC Scopus subject areas

General Neuroscience
General Biochemistry,Genetics and Molecular Biology
General Immunology and Microbiology

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https://www.ijbm.org/articles/i57/ijbm_15(1)_oa3.pdf

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title = "Evaluation of Different Dyspnea Scales in Smokers with Preserved FEV1/FVC Ratio",

abstract = "Background: This study evaluated the relationships between two dyspnea scales (Modified Borg Scale [MBS] and modified Medical Research Council dyspnea scale [mMRCds]) and clinical characteristics of smokers with preserved FEV1 /FVC ratio. It also assessed their ability to differentiate symptomatic (CAT score ≥10) from asymptomatic smokers (CAT score <10).Methods and Results: Sixty-one smokers (FEV1: 98.69±15.83% of predicted, age: 29–77 years) were included in this study. Dyspnea intensity was assessed using MBS and mMRCds, and correlations were examined between these scales and pulmonary function tests, quality of life (QoL) indices, and physical parameters. ROC analysis determined cutoff values for dyspnea scales. MBS (1.29±1.16) and mMRCds (0.61±0.92) scores were higher in symptomatic smokers. Both scales significantly correlated with 6-minute walk distance (MBS: rs =-0.519; mMRCds: rs =-0.699; P<0.001 in both cases) and QoL measures (CAT, SGRQ). Spirometry parameters showed significant correlations with both scales. ROC analysis demonstrated strong discriminatory ability for both mMRCds and MBS between symptomatic and asymptomatic groups.Conclusion: mMRCds and MBS effectively assess dyspnea in smokers with preserved FEV1/FVC ratio, correlating with clinical and functional outcomes and distinguishing between symptomatic and asymptomatic individuals.",

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AU - Morina, Besim

AU - Dervisholli, Blerina

AU - Ross, Mark

AU - Neziri, Burim

PY - 2025/3

Y1 - 2025/3

N2 - Background: This study evaluated the relationships between two dyspnea scales (Modified Borg Scale [MBS] and modified Medical Research Council dyspnea scale [mMRCds]) and clinical characteristics of smokers with preserved FEV1 /FVC ratio. It also assessed their ability to differentiate symptomatic (CAT score ≥10) from asymptomatic smokers (CAT score <10).Methods and Results: Sixty-one smokers (FEV1: 98.69±15.83% of predicted, age: 29–77 years) were included in this study. Dyspnea intensity was assessed using MBS and mMRCds, and correlations were examined between these scales and pulmonary function tests, quality of life (QoL) indices, and physical parameters. ROC analysis determined cutoff values for dyspnea scales. MBS (1.29±1.16) and mMRCds (0.61±0.92) scores were higher in symptomatic smokers. Both scales significantly correlated with 6-minute walk distance (MBS: rs =-0.519; mMRCds: rs =-0.699; P<0.001 in both cases) and QoL measures (CAT, SGRQ). Spirometry parameters showed significant correlations with both scales. ROC analysis demonstrated strong discriminatory ability for both mMRCds and MBS between symptomatic and asymptomatic groups.Conclusion: mMRCds and MBS effectively assess dyspnea in smokers with preserved FEV1/FVC ratio, correlating with clinical and functional outcomes and distinguishing between symptomatic and asymptomatic individuals.

AB - Background: This study evaluated the relationships between two dyspnea scales (Modified Borg Scale [MBS] and modified Medical Research Council dyspnea scale [mMRCds]) and clinical characteristics of smokers with preserved FEV1 /FVC ratio. It also assessed their ability to differentiate symptomatic (CAT score ≥10) from asymptomatic smokers (CAT score <10).Methods and Results: Sixty-one smokers (FEV1: 98.69±15.83% of predicted, age: 29–77 years) were included in this study. Dyspnea intensity was assessed using MBS and mMRCds, and correlations were examined between these scales and pulmonary function tests, quality of life (QoL) indices, and physical parameters. ROC analysis determined cutoff values for dyspnea scales. MBS (1.29±1.16) and mMRCds (0.61±0.92) scores were higher in symptomatic smokers. Both scales significantly correlated with 6-minute walk distance (MBS: rs =-0.519; mMRCds: rs =-0.699; P<0.001 in both cases) and QoL measures (CAT, SGRQ). Spirometry parameters showed significant correlations with both scales. ROC analysis demonstrated strong discriminatory ability for both mMRCds and MBS between symptomatic and asymptomatic groups.Conclusion: mMRCds and MBS effectively assess dyspnea in smokers with preserved FEV1/FVC ratio, correlating with clinical and functional outcomes and distinguishing between symptomatic and asymptomatic individuals.

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Evaluation of Different Dyspnea Scales in Smokers with Preserved FEV1/FVC Ratio

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