Nursing studies show that nurse staffing affect patient outcomes. As an evidenced-based research study, this article includes six individual research studies to reference. Synthetization of the six studies were created by concentrating on methods, samples and settings, major variables, data collection and analysis, and results and findings. Methods include correlational, cross-sectional and longitudinal designs. Samples comprised of patients and nursing staff in medical, surgical, critical and dialysis settings. Data was collected by questionnaire surveys and hospital databases. Results are conclusive that staffing levels, workload, experience and education affect patient outcomes. Appropriate staffing ratios, workload and acuity result in
