Analysis Options

Level of Confidence
90% 95% 99%

Measure of Association
Odds ratio Relative risk

Chi-square Test

Pearson's Chi-squared Test

Yates' Chi-squared Test

Round-off

P values to:

and all other results to:

digits after the decimal point.

Outcome Variable and Group Labels

Exposure variable and Group Labels

Chi-square Test

Conducts the chi-square test for a 2 × 2 table.
Calculates the odds ratio and relative risk with confidence intervals.
Interprets the results and gives suggestions for their presentation in reports, dissertations or journal articles.

Enter Data

Enter cell counts in the table below and click Analyse.

	Outcome Positive	Outcome Negative	Row Total
Exposure Positive
Exposure Negative
Column Total