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Development and Psychometric Evaluation of the Patient Safety Violation Scale in Medical Oncology Units in Iran Pubmed



Shali M1 ; Ghaffari F2 ; Joolaee S3 ; Ebadi A4
Authors
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Authors Affiliations
  1. 1. School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. School of Nursing and Midwifery, Babol University of Medical Sciences, Mazandaran, Iran
  3. 3. School of Nursing and Midwifery, Iran University of Medical Sciences, Tehran, Iran
  4. 4. Ramsar Nursing Care Research Center, Behavioral Sciences Research Center (BSRC), Nursing Faculty, Baqiyatallah University of Medical Sciences, Tehran, Iran

Source: Asian Pacific Journal of Cancer Prevention Published:2016


Abstract

Background: Patient safety is one of the key components of nursing care for cancer cases. Valid and reliable context-based instruments are necessary for accurate evaluation of patient safety in oncology units. The aim of the present study was to develop and evaluate the psychometric properties of the Patient Safety Violation Scale in medical oncology units in Iran. Materials and Methods: In this methodological study, a pool of 58 items was generated through reviewing the existing literature. The validity of the 58-item scale was assessed through calculating impact score, content validity ratio, and content validity index for its items as well as conducting exploratory factor analysis. The reliability of the scale was evaluated by assessing its internal consistency and testretest stability. Study sample consisted of 300 oncology nurses who were recruited from thirteen teaching hospitals affiliated to Tehran University of Medical Sciences, Tehran, Iran. Results: Sixteen items were excluded from the scale due to having low impact scores, content validity ratios, or content validity indices. In exploratory factor analysis, the remaining 42 items were loaded on five factors including patient fall, verification of patientidentity, harm during care delivery, delay in care delivery, and medication errors. These five factors explained 62% of the total variance. The Cronbach's alpha of the scale and the test-retest interclass correlation coefficient were equal to 0.933 and 0.92, respectively. Conclusions: The 42-item Patient Safety Violation Scale is a simple and short scale which has acceptable validity and reliability. Consequently, it can be used for assessing patient safety in clinical settings such as medical oncology units and for research projects.
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