Validity and reliability of Cancer Therapy Satisfaction Questionaire (CTSQ) among cancer out patients in Tikur Anebssa Specialized hospital, Addis Ababa, Ethiopia
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Date
2019-10
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Addis Ababa University
Abstract
Background- Cancer is becoming the most challenging issue in adult and geriatrics and intervention on
patient therapy satisfaction is not commonly seen. The burden of cancer in morbidity and mortality is
increasing through time .Cancer Therapy Satisfaction Questionnaire is the most widely used tool used to
assess the satisfaction of cancer therapy in cancer patient. It is used to classify satisfaction for cancer
patient as well satisfied or no satisfied. To improve quality of life different type cancer therapy has been
given for the patients this can be measured through cancer therapy tools and tools in our context not
validated so far.
Objective- To test the reliability and validity of Cancer Therapy Satisfaction Questionnaire and to
assess its relation with quality of life (QOL), among cancer patient in Tikur Anbessa Specialized
Hospital Addis Ababa, Ethiopia.
Method- Facility based cross sectional study was conducted from August to September 2019 among
cancer patients in Black lion Specialized Hospital, Addis Ababa Ethiopia. A total of 288 cancer patients
were selected using a Stratified random sampling technique. Cancer Therapy Satisfaction Questionnaire
and one other (health-related) QOL questionnaire was administered among 288 randomly selected
cancer patients. CTSQ has 3 domains and each domain has different number of Items. The reliability
and validity of each Items of CTSQ were evaluated against the full Item of CTSQ. Accuracy, sensitivity,
specificity and cut off point were evaluated to determine validity of CTSQ. The reliability also assessed
using cronbaches αcoefficient. Criterion-related validity of the CTSQ was evaluated computing the
correlation between total CTSQ score and total score of QOL-BREF.
Result: The mean age (±SD) of the participants was 45.7±7.3 years. About 225(78%) females and
63(21%) males participated in the study. Cronbaches α value of full CTSQ tool was found 0.95.The
overall accuracy of CTSQ was 0.89(95 % CI, 0.82%-0.96%), p< 0.001). The sensitivity and specificity
of CTSQ using established cut of point was 92.3% and 83.6% respectively. The overall cancer therapy
satisfaction was found to be 80.6%.
Conclusion: CTSQ was valid and reliable to identify cancer therapy satisfaction among cancer patient
and also CTSQ was positively correlate with QOL-BREF .CTSQ can be applied to measure cancer
therapy in the Ethiopian contex
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Keywords
Cancer Therapy , cancer out patients