摘要:Patient safety and its requirements fulfillment are today one of the useful valuation indicators in healthcare organizations.Thus,patient safety culture and its promotion are referred to as one of the most important issues raised in the country.The present study aims to examine the effective factors (personal and organizational) in patient safety culture from the point of view of nursing staff in Bahman and Parsian private hospitals.Method: The study has an analytical cross-sectional design and is an applied research.HSOPSC (with Cronbach’s alpha coefficient was 0.82) and researcher-devised questionnaires (with Cronbach’s Alpha equal to 0.912) were the only data collection tools.Statistical population includes nursing staff of Bahman and Parsian private hospitals in north-west Tehran.A sample consisting of 150 nurse shift supervisors and head nurses was selected from the population.Necessary data for completing questionnaires were collected by interview.Data were analyzed using SPSS16 software.Given the levels of measurement for the variables,valid measures of central tendency (mean,standard deviation),correlation tests,Chi-square,t- test,and ANOVA were used.Results: The findings showed us that such factors as organizational commitment,error reporting system,management support,reward system,and employee empowerment equipment distribution have important roles in patient safety.Their P-values are reported.