What is Eortc QLQ-C30?

The EORTC QLQ-C30 [10] is one of the most widely used health-related quality of life (HRQOL) questionnaires in cancer research. It assesses important functioning domains (e.g. physical, emotional, role) and common cancer symptoms (e.g. fatigue, pain, nausea/vomiting, appetite loss).

How long does it take to complete Eortc QLQ-C30?

The average time required to complete the QLQ-C30 (version 3.0) was similar at both points of administration, 9 min (S.D. = 5 min) and 7 min (S.D. = 4 min) for the pretreatment and ontreatment, respectively. No patients reported difficulty or confusion regarding the questionnaire items.

What does the QLQ-C30 measure?

The EORTC Core Quality of Life questionnaire (EORTC QLQ-C30) is designed to measure cancer patients’ physical, psychological and social functions. The questionnaire is composed of multi-item scales and single items.

How is Eortc QLQ C30 scored?

Most items are scored 1 to 4, giving range = 3. The exceptions are the items contributing to the global health status / QoL, which are 7-point questions with range = 6, and the initial yes/no items on the earlier versions of the QLQ-C30 which have range = 1.

Is the EORTC the same as the QLQ-C30?

It measures the same well-validated and well-known domains as the QLQ-C30. For each QLQ-C30 domain a so-called item bank, from which the CAT selects the items for each patient, has been developed. The new items have the same item and response format as the QLQ-C30 items. The new instrument encompasses a total of 262 items.

What are the EORTC quality of life questionnaires?

The EORTC Quality of Life questionnaires are developed to assess the quality of life of cancer patients.

What is the adaptive version of the EORTC?

Computerized adaptive testing is a technic that allows for selecting questions, using a specialized computer program, particularly relevant for the individual. The EORTC has developed an adaptive version of the EORTC QLQ-C30 questionnaire. This adaptive version allows for more precise and personalized measurement of health-related quality of life.

Is the cat backward compatible with the QLQ-C30?

The new instrument encompasses a total of 262 items. As the QLQ-C30 items are included in the item banks, the CAT is backward-compatible with the QLQ-C30. How does it work?