n women with deep venous thrombosis (DVT), a case-control study was conducted to test the association between DVT and past exposure to oral contraceptive (OC) use. Based on the data below, what is the unadjusted odds of exposure to OC use among the cases of women with DVT compared to that among the controls without DVT? Oral Contraceptive Use Cases of DVT Controls Yes 63 21 No 117 159 Total 180 180

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