Matched Pair Case-Control Study


Single Table Analysis
 
Controls
(+)(-)
(+)3710
Cases(-)1910
41620

Measures of Association

P Values
TestValued.f.1-tail2-tail

McNemar:4.510.03389
McNemar with continuity correction:3.12510.07710
Fisher exact0.035160.07031
Mid-P exact0.019530.03906

There are 8 discordant pairs.
Because this number is fewer than 20, it is recommended that only the exact results be used.


Odds-based Estimates

95% Confidence Intervals
ParameterPoint EstimateLower,UpperType

Pair-Matched Odds Ratio:70.8614, 56.89¹ Taylor series
CMLE Odds Ratio*71.082, 159¹ Mid-P Exact
0.8993, 315.5¹ Fisher Exact

 
*Conditional maximum likelihood estimate of Odds Ratio
(P)indicates a one-tail P-value for Protective or negative association; otherwise one-tailed exact P-values are for a positive association.
Martin,D; Austin,H (1991) An efficient program for computing conditional maximum likelihood estimates and exact confidence limits for a common odds ratio. Epidemiology 2, 359-362.

Results from OpenEpi, Version 2, open source calculator--MatchCC

file:///C:/NextOpenEpi/MatchCC/MatchCC.htm
Source file last modified on 11/08/2007 20:34:03

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