A matched-pair case-control study was conducted in order to assess if there is a relationship between serum Vitamin D levels and migraine headaches. The results are shown below: Control Control With migraine No Migraine (Case) High Vitamin D 22 49 (Case) Low Vitamin D 36 18 What is the formula in getting the unmatched odds ratio? ad/bc b/c [a/(a+b)] / [c/(c+d)] a/c Answer

A matched-pair case-control study was conducted in order to assess if there is a relationship between serum Vitamin D levels and migraine headaches. The results are shown below: Control Control With migraine No Migraine (Case) High Vitamin D 22 49 (Case) Low Vitamin D 36 18 What is the formula in getting the unmatched odds ratio? ad/bc b/c [a/(a+b)] / [c/(c+d)] a/c Answer

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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