Monitoring and maintaining health

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Question 13
Medium

A clinical study investigated a potential association between Peripheral Artery Disease (PAD) and two other cardiovascular outcomes: stroke and myocardial infarction. The study monitored 35,000 patients diagnosed with PAD and recorded that 1,050 patients suffered a stroke and 1,400 suffered a myocardial infarction. The study also monitored a control group of 15,000 patients without PAD and recorded that 450 suffered a stroke and 750 suffered a myocardial infarction. The researchers concluded: 'Patients with PAD have the same risk of stroke as patients without PAD, but they have a lower risk of myocardial infarction than patients without PAD.' Explain how the data support this conclusion by calculating the percentage of patients in each group who experienced each condition.

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Monitoring and maintaining health Questions

  1. GCSE
  2. /Biology
  3. /Monitoring and maintaining health