Odds Ratio Calculation From a 2x2 Table
Calculates an odds ratio and 95 percent confidence intervals for data from a 2x2 table
odds_ratio(Cell1, Cell2, Cell3, Cell4)
Cell1 |
Value for cases with the factor/exposure of interest |
Cell2 |
Value for cases without the factor/exposure of interest |
Cell3 |
Value for controls with the factor/exposure of interest |
Cell4 |
Value for controls without the factor/exposure of interest |
Odds ratio and 95 percent confidence intervals
Mike Malek-Ahmadi
1.Mufson EJ, Malek-Ahmadi M, Perez SE, Chen K. Braak staging, plaque pathology, and APOE status in elderly persons without cognitive impairment. Neurobiol Aging 2016;37:147-153.
# From Table 1 in Mufson et al (2016), using data for gender (Male/Female) #and Braak stage group classification (I-II/III-V). #Female/Braak III-V = 46, Female/Braak I-II = 14, Male/Braak III-V = 32, #Male/Braak I-II = 31. odds_ratio(46, 14, 32, 31)
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