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Gepubliceerd in: Quality of Life Research 2/2015

01-02-2015

Quality of life after pulmonary embolism: first cross-cultural evaluation of the pulmonary embolism quality-of-life (PEmb-QoL) questionnaire in a Norwegian cohort

Auteurs: Mazdak Tavoly, Lars-Petter Jelsness-Jørgensen, Hilde Skuterud Wik, Christina Roaldsnes, Per Morten Sandset, Waleed Ghanima

Gepubliceerd in: Quality of Life Research | Uitgave 2/2015

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Abstract

Purpose

The aim of the current study was to translate and test the psychometrical properties of the disease-specific pulmonary embolism quality-of-life questionnaire (PEmb-QoL).

Methods

Patients with a prior history of pulmonary embolism (PE) were identified from the thrombosis registry at Østfold Hospital Trust, Fredrikstad, Norway. All eligible patients were asked to complete the generic EuroQol 5-dimension (EQ-5D) QoL questionnaire as well as the disease-specific PEmb-QoL at baseline and after 2 weeks. Construct validity was tested using principal component factor analysis. Criterion validity was tested using Spearman’s correlation coefficients (rho) between EQ-5D and PEmb-QoL. Internal consistency reliability was calculated using Cronbach’s alpha coefficient, while test–retest reliability was calculated using the intra-class correlation coefficients (ICC).

Results

A total of 213 participants had complete datasets and were included in further analyses. Factor analysis with varimax rotation yielded six factors explaining 71 % of the cumulative variance. Cronbach’s alpha coefficient was found to be 0.94, indicating a very good intercorrelation of items. Of the 213 participants, 145 (68 %) completed the questionnaire a second time. The ICC ranged from 0.75 to 0.86, indicating good test–retest reliability. All factors were found significant with p values <0.001. The criterion validity of the PEmb-QoL was confirmed through good correlation with other similar health-related quality-of-life constructs in the EQ-5D.

Conclusions

Findings of the current study indicate that Norwegian version of the PEmb-QoL is both valid and reliable, thus representing an important supplement in subjective outcomes measurement among patients sustaining PE.
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Metagegevens
Titel
Quality of life after pulmonary embolism: first cross-cultural evaluation of the pulmonary embolism quality-of-life (PEmb-QoL) questionnaire in a Norwegian cohort
Auteurs
Mazdak Tavoly
Lars-Petter Jelsness-Jørgensen
Hilde Skuterud Wik
Christina Roaldsnes
Per Morten Sandset
Waleed Ghanima
Publicatiedatum
01-02-2015
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 2/2015
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-014-0779-4

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