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In a case-control aimed at studying exposure to perfluoroalkyl substances (PFAS) and asthma, the following data were collected: A=10 B=209 C=50 D=230 Calculate the OR

In a case-control aimed at studying exposure to perfluoroalkyl substances (PFAS) and asthma, the following data were collected: A=10 B=209 C=50 D=230 Calculate the OR for the association between exposure to PFAS and asthma. What did you calculate as the OR

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