Background: Justice in every organization is important. Organizational justice has the potential to provide
significant advantages for both organizations and staff nurses greater trust, improved performance appraisal and an
increase intention to stay at work. Aim: To determine effect of organizational justice on staff nurses' performance
appraisal and their intention to stay at work at Gastro Entrology Surgery Center Mansoura University. Methods: A
descriptive correlational approach was used with a sample of (250) staff nurses at Gastro Entrology Surgery Center
Mansoura University. Tools of data collection were Organizational Justice Survey, Performance Appraisal Questionnaire
and Intention to stay at work Questionnaire. Results: The highest level of organizational justice of studied staff nurses
had (72.25%), More than half of the studied nurses who were examined (64.42%) had the greatest level of intention to
stay at work, and the majority of them (86.08%) had the highest level of performance appraisal. The relationship
between organizational justice, performance appraisal, and intention to stay at work was statistically significant and in
support. Conclusion: There was statistically significant positive relationship between organizational justice,
performance appraisal and intention to stay at work at Gastro Entrology Surgery Center Mansoura University.
Recommendations: Create a good reward system that is not really focused on financial concerns, distribute tasks, job
awards, and promotions fairly, and implement ongoing educational programs to expand employees' expertise and
improve the quality of their work and patient satisfaction.