Validation of the Mexican-Spanish version of the EORTC QLQ-C30 and BR23 questionnaires to assess health-related quality of life in Mexican. Conclusiones: el EORTC QLQ-C30 (versión ) se ha mostrado como un Spanish. EORTC QLQ-C RESULTS: Multitrait scaling analysis showed that most. The EORTC QLQ-C30 (in all versions), and the modules which supplement it, are Requests for permission to use the EORTC QLQ-C30 or to reproduce or.

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Exceptions were items 20 and 25 in the first measurement, and 4, 14 and 15 in the second. The results are in line with previous studies. Patients completed the QLQ-C30 on the first and last day of radiotherapy, and one month and a half eoortc the end of this particular treatment. New studies with other tumors could have a confirmatory value.

Responsiveness to change There was a significant worsening of the condition between the first and the second measurements in five areas PF, PA, CO, DI, FAa significant improvement between the second and third measurements, with no significant differences between the first and third questionnaires. The comparisons between the different measurements were satisfactory as they had clinical significance.

Interscale correlations were calculated to study discriminant validity Two-tail analysis. Multitrait scaling analysis Most items exceeded the 0.

The structure of this questionnaire is presented in Table I. Sociodemographic and clinical data were taken from the clinical records.

This QL group has created a combined assessment system composed of a generic core questionnaire, EORTC QLQ-C30, which evaluates issues common to different cancer sites and treatments, and a range of supplementary modules designed to assess specific dortc, according to type of treatment or disease site, or to dimensions like fatigue.

We compared subgroups based on KPS levels: There sepaol a significant worsening in CF and SF between the first and second measurements, and in GQL between the second and third measurements.


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Group comparison analyses showed better QL in patients with higher Performance Status. Slq study for Spain with head and neck cancer patients”.

Psychometric evaluation of the structure, reliability and validity was made. Evaluation of chemotherapeutic agents; ; Colombia University, New York, Patients completed the QLQ-C30 version 3. These results showed the QLQ-C30 is highly sensitivity to changes.

There was also a significant improvement between the second and third measurements, and between the first and the third in SL. Item discriminant validity was successful in all analyses except in item 5 higher correlation with SF than with its ertc scaleitem 10 higher correlation with PF in the first measurement, and in the second assessment, item 20 higher correlations with EF and SF.

Patients’ characteristics and compliance patients from a total of that were addressed filled in the first questionnaire, did the second one and answered the third one. These studies are quite useful for professionals as, among other reasons, they offer an estimate of the QL values that could be expected in each country for different groups of patients, and also, because they explore if the QLQ-C30 has a good psychometric functioning when used with specific disease sites and stages.

The highest correlations were between FA and PF – 0. Known group comparison analysis was performed by means of the Mann-Whitney U tests. Few exceptions appeared mainly in CF.

The scores in qkq QLQ-C30 [ table 3 ] were in line with, and just a bit better than the ones recorded in the reference manual Se han dado pocas excepciones, principalmente en la escala CF.

Multitrait scaling analysis showed that most item-scale correlation coefficients met the standards of convergent and discriminant validity.

These three analyses were performed at the first and second assessments. Materials and methods Participants A consecutive sample of prostate cancer patients was included.

In the validation study of version 3.

Most scales had low to moderate correlations with the other scales. Changes in functioning and symptom areas appeared throughout the different measurements, which were in line with the treatment process. Low correlations were found between NV with PF Most scales fulfilled the reliability criteria, except CF and NV.


Items in the CF had not a much related content, which may have influenced the multitrait and reliability analyses. Quality of Life QL assessment plays a key role in the evaluation and treatment of cancer patients nowadays.

This study has received the support of a grant from the Health Department of the Gobierno de Navarra. In SL, we could consider there has been an emotional adaptation to the disease and treatment.

CF had also shown low reliability scores in the validation studies we carried out with version 1. There was a clear tendency to a worsening at the end of the treatment, with a recovery in most scales in the follow-up measurement that could be due to radiotherapy low toxicity level.

Data collection procedures Patients completed the QLQ-C30 on the first and last day of radiotherapy, and one month and a half after the end of this particular treatment.

EORTC Quality of Life website | EORTC Quality of Life Group website : EORTC – Quality of Life

Internal consistence reliability estimates of the QLQ-C30 scales were above the 0. These instruments can also be used in clinical practice. Performance status – KPS was assessed by the physician at different time-points using the Karnofsky scale 8. A sample of prostate cancer patients prospectively filled in the questionnaire three times: Group comparison analyses were satisfactory, as they were in line with the clinical data: Interscale correlations indicated that the areas were related but represent different QL dimensions.

Validation study for spanish prostate cancer patients. A esaol sample of prostate cancer patients was included.