You Also Decide To Conduct A Cohort Study Including All Patients That Had Been Treated At The Hospitals At The Time Com 1 (41.74 KiB) Viewed 66 times
You Also Decide To Conduct A Cohort Study Including All Patients That Had Been Treated At The Hospitals At The Time Com 2 (30.92 KiB) Viewed 66 times
You also decide to conduct a cohort study including all patients that had been treated at the hospitals at the time, comparing those with caught SARS at the hospital from other patients, to the patients who did not catch SARS. *Note that the population "at risk" does not include patients who had SARS before checking into these hospitals. You determine that 600 patients were being treated at these hospitals. Of these, there were 178 SARS cases, 36 of which went to the hospital because they had SARS. Of the remaining SARS cases who had been originally hospitalized for other reasons, 89 had stayed in rooms without an exhaust fan. These patients had been hospitalized for a total of 345 person- days before being diagnosed with SARS. There were 53 SARS patients who had been staying in rooms with an exhaust fan; these patients had been hospitalized for a total of 827 person-days prior to their SARS diagnosis.
D Question 12 1 pts What is the risk difference between the risk of catching SARS in the exposed group (with exhaust fan) and the unexposed group (no exhaust fan)? Calculate the answer per 1000 person-days, and write the numerical answer to 1 decimal point. per 1000 person days
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