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Cross-Cultural Validation of the RosaQoL Scale in Spanish Language.

M Salleras Redonnet¹, J Del Pozo Losada², M Ribera Pibernat³

¹Servicio de Dermatología, Hospital Universitario Sagrat Cor, Barcelona, España.

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|February 21, 2024

Summary

The Spanish Rosacea Quality of Life (RosaQoL) scale effectively measures patient well-being and treatment impact. This validated tool demonstrates high reliability and accuracy in assessing rosacea

Keywords:

Calidad de vida Cuestionario Escala Quality of life Questionnaire Rosacea Rosácea Scale Validación y adaptación transcultural Validation and cross-cultural adaptation

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Area of Science:

Dermatology
Psychometrics
Quality of Life Research

Background:

Rosacea is a chronic condition significantly impacting patients' quality of life and mental health.
The Rosacea Quality of Life (RosaQoL) scale is a validated tool for monitoring therapeutic effects and personalizing patient care.
The scale is brief, requiring only a few minutes to complete.

Purpose of the Study:

To translate and validate the Rosacea Quality of Life (RosaQoL) scale into Spanish.
To assess the psychometric properties and clinical utility of the Spanish RosaQoL scale.
To evaluate the scale's ability to measure the impact of rosacea on patients' quality of life.

Main Methods:

The original RosaQoL scale underwent translation and back-translation by native speakers.
Expert committee input was utilized to refine the translated scale.
The Spanish version was pilot-tested on 21 patients for comprehension.
Psychometric validation included sensitivity, specificity (ROC curve), internal consistency (Cronbach's alpha), and correlation with the SF-12 scale.

Main Results:

The study included 531 participants (481 with rosacea, 50 controls).
The Spanish RosaQoL scale demonstrated excellent sensitivity (0.96) and specificity (0.96) with high internal consistency (Cronbach's alpha = 0.96).
A significant correlation was found between RosaQoL and SF-12 scores, with higher RosaQoL scores indicating worse quality of life.

Conclusions:

The Spanish version of the RosaQoL scale possesses robust psychometric characteristics comparable to the original.
The Spanish RosaQoL scale is a reliable and valid instrument for assessing the quality of life in patients with rosacea.
This validated scale can aid clinicians in individualizing rosacea treatment and monitoring patient progress.