A researcher retrieved one year ICU data

A researcher retrieved one year ICU data from the hospital surveillance system to examine if exposure to ventilator is a risk factor for development of pneumonia among patients admitted in ICU. He found the following information (arbitrary): Total1000 patients were admitted in ICU in which 350 had exposure to ventilator. Total 300 patients developed pneumonia, in which 180 patients had ventilator exposure. 1. Identify the study design for which the data was collected. (0.5 grade) 2. Based on the study design selected in Q1. Calculate appropriate measure. (Correct selection of measure 0.5 grade, correct formula 0.5 grade, and correct result 0.5 grade) 3. Write the interpretation of your findings. (1 grade) 4. Write 2 strength and 2 limitation of the study design selected in Q1. (2 grades) SCIENCE HEALTH SCIENCE NURSING HEALTH PHC230

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