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Validación de la versión tunecina del cuestionario EORTC QLQ-C30

Soraya Fenniche¹, Nidhal Belloumi¹, Chaima Habouria¹

¹University of Tunis El manar, Faculty of medicine of Tunis, Abderrahmen Mami hospital Ariana 2080, Pulmonology department Pavilion 4.

La Tunisie medicale

|February 19, 2026

Abstracto

Objective:

To test the validity and reliability of The European Organization for Research and Treatment of Cancer (EORTC) core (QLQ-C30) in its Tunisian dialectal version for lung cancer patients.

Methods:

A total of 300 patients under a chemotherapy regimen for lung cancer were enrolled in this cross-sectional study. Participants had to answer EORTC QLQ-C30 auto-questionnaire in the Tunisian version, then in the Arabic version 15 days later. Statistical analyses were performed by SPSS 22.

Results:

The Tunisian version was found reliable and valid for Tunisian cancer patients. Seven of the 8 multi-item scales of QLQ-C30 had high reliability (Cronbach's α >0.7). In our analysis, the most determinative subscales of QLQ-C30 on global health were physical functioning, cognitive functioning, fatigue, and dyspnea. Correlation with the Arabic version was nearly a perfect mismatching; all sub-scale mean scores were statistically correlated. The inter-class correlations confirmed the external convergent validity. Discriminant validity was supported since the correlation value of a symptom scale score with other similar scales was higher than any functional scale, and inversely.

Conclusions:

The Tunisian version of EORTC QLQ-C30, recently written is a reliable and valid tool to assess the quality of life of Tunisian lung cancer patients.

Palabras clave:

EORTC QLQ-C30 Cáncer de pulmón no microcítico Calidad de vida Validación

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