According to Hertel (2012), many factors are involved the patient safety, for example, the number of patients, the range of conditions, the experience level of nurses, the number of nurses in the unit, the workplace, etc.

The following strategies are recommended to combat unsafe nurse staffing levels and increase optimize the quality care, as well as be effective in improving nursing satisfaction and his/her outcome.*Hiring professional nurse instead of the adjusting the nursing hours and mandatory overtime consequently leading to a reduction in the ratio of nurses to patients and reduction nursing workload and improve quality patient care. According to Allen (2013), “the low ratio of nurses to the patient improves the quality of patient care through quantifiable outcomes.”