Medical unit in a community hospital

You are a manager on a medical unit in a community hospital. You are concerned about a recent increase in falls with injury on your unit. How might you assess this situation?

1-Where might you find the data in your hospital to support your concern?

2-What type of study could you perform to identify the cause(s) for the increase in falls with injury? Case control versus cross sectional study

3-How will you select your population of interest?