Compute the proportion (risk) of patients experiencing DVT complications for immobilized patients treated with Fragmin. (Enter the proportion with 4 decimal places. DO NOT enter the percent.) Compute the proportion (risk) of patients experiencing DVT complications for immobilized patients treated with a placebo. (Enter the proportion with 4 decimal places. DO NOT enter the percent.)
Risk and odds ratios 1/7: Patients immobilized for a substantial amount of time can develop deep vein thrombosis (DVT), a blood clot in a leg or pelvis vein. DVT can have serious adverse health effects and can be difficult to diagnose. On its website, drug manufacturer Pfizer reports the outcome of a study looking at the effectiveness of the drug Fragmin (dalteparin) in preventing DVT in immobilized patients. Of the 1518 randomly chosen immobilized patients given Fragmin, 42 experienced a complication from DVT. Of the 1473 randomly chosen immobilized patients given a placebo, 73 experienced a complication from DVT.
Compute the proportion (risk) of patients experiencing DVT complications for immobilized patients treated with Fragmin. (Enter the proportion with 4 decimal places. DO NOT enter the percent.)
Compute the proportion (risk) of patients experiencing DVT complications for immobilized patients treated with a placebo. (Enter the proportion with 4 decimal places. DO NOT enter the percent.)
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