Work

Validity and reliability of the persian version of the dyspnea-12 questionnaire in assessing dyspnea among COPD patients

Year: 2025

Type: article

Abstract: OBJECTIVE: Dyspnea is a distressing symptom of Chronic Obstructive Pulmonary Disease (COPD). The Dyspnea-12 questionnaire, a well-established instrument for assessing different dimensions of dyspnea validated in multiple languages, lacked a Persian version. This study aimed to adapt and validate a Persian version of Dyspnea-12. RESULTS: The Persian version of Dyspnea-12 demonstrated excellent reliability (Cronbach's alpha = 0.982, Composite Reliability = 0.985). Criterion validity analysis strongly correlated with Dyspnea-12 and CAT scores (ρ = 0.698, p < 0.001). Factor analysis confirmed a single-factor structure consistent with the original version. Inter-item correlations ranged from 0.3 to 0.9. Construct validity indices indicated a satisfactory model fit (CFI = 0.904, SRMR = 0.044), though RMSEA (0.188) suggested areas for improvement. Pulmonary function analysis revealed significant associations between FEV₁ and Dyspnea-12 scores (p = 0.042) and FVC (p = 0.017), linking dyspnea severity with lung function decline.

Source: BMC Research Notes

DOI: 10.1186/s13104-025-07290-4

Authors: Ehsan Alishapour, Mohammad Ali Nayeri, Razie Bahrami, Alireza Haghshenas, Samrad Mehrabi

Institutions: Shiraz University of Medical Sciences, Shiraz University, Abadan University of Medical Sciences, Namazi Hospital

Language: English

Topic: Chronic Obstructive Pulmonary Disease (COPD) Research

Subfield: Pulmonary and Respiratory Medicine

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $1,690