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1.
Psychooncology ; 21(7): 745-53, 2012 Jul.
Article in English | MEDLINE | ID: mdl-21538681

ABSTRACT

BACKGROUND: Quality of life questionnaires (QLQ) QLQ-STO22 and QLQ-OES18 are currently available to measure Health-related quality of life (HRQL) in patients with Esophageal (EC) or Gastric cancer (GC). The QLQ-OG25 integrates questions from both questionnaires to be useful for EC, Esophagogastric junction carcinoma (EGJC), and GC. Our aim was to validate the Mexican-Spanish version. PATIENTS AND METHODS: The translation procedure followed European Organization for Research and Treatment of Cancer (EORTC) guidelines. QLQ-C30 and QLQ-OG25 instruments were completed by patients with EC, EGJC, and GC. Patients were divided into three groups: (1) palliative treatment; (2) treatment with curative intent, and (3) survivors. Reliability and validity tests were performed. RESULTS: One-hundred sixty-three patients were included: 62 women and 101 men (mean age, 54.9 years; range, 22-82 years). Sixty-nine, seventy-three, and twenty-one patients were allocated into groups 1, 2, and 3, respectively. Questionnaire compliance rates were high and were well accepted. Group 3 patients reported better functional HRQL scores and lower symptom scores than patients in groups 2 and 1. Scales in the QLQ-C30 and QLQ-OG25 distinguished among other clinically distinct groups of patients. Cronbach's α coefficients of all multi-item scales of the QLQ-OG25 instrument were >0.7 (range, 0.7-0.83). Multitrait scaling analysis demonstrated good convergent and discriminant validity, even adjusting by location. Test-retest scores were consistent. CONCLUSION: The Mexican-Spanish version of the EORTC QLQ-OG25 questionnaire is reliable and valid for HRQL measurement in patients with esophagogastric cancer and can be used in clinical trials in the Mexican community.


Subject(s)
Adenocarcinoma/psychology , Esophageal Neoplasms/psychology , Esophagogastric Junction/physiopathology , Psychometrics/instrumentation , Quality of Life , Stomach Neoplasms/psychology , Surveys and Questionnaires , Adenocarcinoma/therapy , Adult , Aged , Aged, 80 and over , Esophageal Neoplasms/therapy , Female , Health Status , Humans , Language , Male , Mexico , Middle Aged , Palliative Care , Psychometrics/statistics & numerical data , Reproducibility of Results , Sickness Impact Profile , Stomach Neoplasms/therapy , Survivors/psychology , Translations , Young Adult
2.
Ann Surg Oncol ; 16(1): 88-95, 2009 Jan.
Article in English | MEDLINE | ID: mdl-18979141

ABSTRACT

Health-related quality of life (HRQL) is a fundamental outcome in surgical oncology and culturally valid tools are essential for this purpose. Our aim was to validate the Mexican-Spanish versions of the European Organization for Research and Treatment of Cancer (EORTC) Quality-of-Life Questionnaire QLQ-C30 and the QLQ-STO22 disease-specific questionnaire module in Mexican patients with gastric cancer (GC). The translation procedure followed EORTC guidelines. Both instruments were completed by patients with GC and analyses were performed within three clinically distinct groups: (1) patients undergoing palliative treatment, (2) patients undergoing treatment with curative intent, and (3) GC survivors. Tests for reliability and validity were performed. One hundred and fifty patients (mean age 54.2 years) completed both questionnaires. Sixty-seven, 55, and 28 patients were allocated to groups 1, 2, and 3, respectively. Compliance rates were high, and questionnaires were well-accepted. Survivors of treatment for GC reported better functional HRQL scores and lower symptom scores than patients in group 2 who were currently undergoing treatment. Patients selected for potentially curative treatment had better HRQL than group 1 (palliative treatments). Scales in the QLQ-C30 and QLQ-STO22 distinguished between other clinically distinct groups of patients. Cronbach's alpha coefficients of 14 scales of both questionnaires were >0.7. Multitrait scaling analysis demonstrated good convergent and discriminant validity. Test-retest scores were consistent. We conclude that the Mexican-Spanish versions of EORTC QLQ-C30 and QLQ-C22 questionnaires are reliable and valid for HRQL measurement in patients with GC and are therefore recommended for use in clinical trials of Mexican community.


Subject(s)
Adenocarcinoma/psychology , Language , Quality of Life , Sickness Impact Profile , Stomach Neoplasms/psychology , Surveys and Questionnaires/standards , Adenocarcinoma/therapy , Female , Health Status , Humans , Male , Mexico , Middle Aged , Psychometrics , Stomach Neoplasms/therapy , Survivors , Translations
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