E-ISSN 2587-0831
Original Article
Translation and Validation of the Turkish Version of Lymphedema Quality of Life Tool (LYMQOL) in Patients with Breast Cancer Related Lymphedema
1 School of Physical Therapy and Rehabilitation, Abant Izzet Baysal University, Bolu, Turkey  
2 Department of Medical Oncology, Abant Izzet Baysal University School of Medicine, Bolu, Turkey  
Eur J Breast Health 2017; 13: 123-128
DOI: 10.5152/ejbh.2017.3522
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Key Words: Validity, Reliability, Lymphedema Quality of Life Tool, Turkish version, Breast Cancer Related Lymphedema
Abstract

Objective: Breast cancer related lymphedema (BCRL) is a drastic situation that affects patients who have undergone breast cancer surgery. The impact of this condition on individuals’ quality of life should be investigated in more detail to obtain better treatment results.

 

Materials and Methods: In total, 65 patients with BCRL participated in this study. Nottingham Health Profile (NHP) was used to evaluate the validity of associated domains in Lymphedema Quality of Life Tool (LYMQoL). Both the LYMQoL and NHP were filled out by BCRL patients. To evaluate its test-retest reliability, the LYMQoL was subsequently performed seven days following its initial application. Measurement properties such as internal consistency, test-retest reliability, criterion validity and factor structure were tested. The internal consistency was assessed via Cronbach’s alpha; test-retest reliability was assessed by the intra-class correlation coefficient (ICC).

 

Results: Cronbach’s alpha values ranged from 0.74 to 0.91 for the LYMQoL total and domain scores. Test-retest reliability was excellent (ICC=0.92-0.99). When the relation between LYMQoL and NHP was investigated, ‘good’ to ‘very good’ correlations were obtained (r=0.539-0.643, p<0.05) for all domains of LYMQoL. Exploratory factor analyses demonstrated a four-factor structure. 

 

Conclusion: Turkish version of LYMQoL is a valid and reliable measurement tool to evaluate the quality of life in patients with BCRL.

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