On analytical methods and inferences for 2 x 2 contingency table data from medical studies.
Analysis of 2 x 2 contingency tables is not as trivial as it appears. The choice of the statistical test can affect the inferences resulting from data analysis, especially at small sample sizes. Canned statistical programs do not necessarily lead to an appropriate test. These points are demonstrated using examples from the literature.
Engeman
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RM
Denver Wildlife Research Center, USDA/APHIS, Colorado 80225-0266.
Swanson
G D
GD
D003627:Data Interpretation, Statistical; D012106:Research; D012984:Software