Urinary tract infection

A study looking at urinary tract infection compared cases with non-cases and found that 65/100 cases had placement of indwelling bladder catheters compared 20/100 of non-cases. 1. Develop a table to display the data. 2. Calculate odds of exposure in cases and non-cases. 3. Calculate odds ratio. 4. Interprete odds ratio. 5. Disuss why we cannot calculate risk ratio for case-control study.