If the P-value is less than 0.05 , you typically reject the null hypothesis, concluding there is a statistically significant association. Chi-square ( χ2chi squared
Click to run the test. GraphPad will calculate the test statistic, p-value, and other relevant statistics.
If your data is "before and after" on the same subjects, a standard Chi-square is inappropriate. You should use McNemar’s test instead. Conclusion