“…The American Nurses Association has emphasized that 'Safe Staffing Saves Lives'-that is, that appropriate levels of nurse staffing is needed for patient safety. Reducing the number of patients per nurse has positive outcomes, including decreases in patients' readmission and mortality rates [17,18], decreases in the number of falls, pressure ulcers, and nosocomial infections [19][20][21], and prevention of nurse exhaustion and job dissatisfaction [22]. Because of these positive outcomes, mandated minimum nurse staffing ratios have been applied in California, USA, limiting the nurse-to-patient ratio of the general medical-surgical unit to 1:5 [23].…”