“Reference values for the EORTC QLQ-C30 in patients with advanced stage Hodgkin lymphoma and in Hodgkin lymphoma survivors”

Vachon H, Mierzynska J, Taye M, Pe M, Coens C, Martinelli F, Fortpied C, Flechtner HH, Vestmoe Maraldo M, Hutchings M, Meijnders P, Aleman B, Lugtenburg P, Spina M, André M, Hertzberg M, Briones J, Bottomley A, EORTC Quality of Life Group, Lymphoma Group

Reference values for the EORTC QLQ-C30 in patients with advanced stage Hodgkin lymphoma and in Hodgkin lymphoma survivors

Objectives
To provide reference values for the European Organisation for Treatment and Research of Cancer (EORTC) Quality of Life Questionnaire (QLQ-C30) in advanced-stage Hodgkin lymphoma (HL) patients and 5-year HL survivors. The QLQ-C30 is the most widely used cancer-specific questionnaire to assess Health-Related Quality of Life (HRQoL).

Methods
The EORTC database was searched to identify HL RCTs in which patients’ and survivors’ HRQoL was assessed by the QLQ-C30. HRQoL mean scores were calculated and stratified by age and gender. Minimal important differences were used to assess the clinical relevance of the findings. Data from one RCT with HRQoL scores available at baseline (n = 343) and four RCTs with HRQoL scores available at follow-up (n = 1665) were analyzed.

Results
Patients reported worse HRQoL scores than survivors across most functioning scales and symptoms’ scales. These scores varied as a function of gender but not age. Survivors’ HRQoL reports were comparable to the ones of the general population.

Conclusions
These values provide an assessment framework for the comparison and interpretation of QLQ-C30 scores in advanced-stage HL. Our findings suggest that although HL patients’ HRQoL scores are worse than the general population, HRQoL scores may normalize over long-term survival.

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