Dear all,

How would you interpret a situation where Pearson's exact p-value is 0.01, but the exact confidence interval for the risk ratio embraces 1, such as in the example below?

Exposed and sick: 25

Exposed and well: 19

Unexposed and sick: 1

Unexposed and well: 9

Exact confidence interval (calculated in Stata 11.1 with the cs command): 5.68, 95% confidence interval 0.87 to 37.1.

Sorry to bother you with such a triviality!

Patrick

How would you interpret a situation where Pearson's exact p-value is 0.01, but the exact confidence interval for the risk ratio embraces 1, such as in the example below?

Exposed and sick: 25

Exposed and well: 19

Unexposed and sick: 1

Unexposed and well: 9

Exact confidence interval (calculated in Stata 11.1 with the cs command): 5.68, 95% confidence interval 0.87 to 37.1.

*Fisher's*exact 2-sided p-value: 0.012.*(Apologies for prior error)*Sorry to bother you with such a triviality!

Patrick

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