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by Kruno
Wed Apr 20, 2016 3:52 am
Forum: USMLE Forum
Topic: sequential usmle biostats question
Replies: 0
Views: 5573

sequential usmle biostats question

An imaginary study involving 650 people was conducted to assess the performance of the stool antigen assay in detecting a helicobacter pylori infection. After collecting all the test results, it was found that 250 people tested positive and 400 people tested negative. If the positive and negative pr...