Statistical significance does not automatically mean scientific or clinical importance. A very small P value (e.g., P < 0.0001) indicates high confidence that the association is real, but you must also evaluate the magnitude of the differences using effect size measures such as relative risk, odds ratio, or the difference in proportions. GraphPad Prism automatically calculates these measures for 2×2 tables, and you should always examine them alongside the P value.
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: Ensure your entries are integers (counts), as chi-square calculations depend on the absolute number of observations. Choosing Between Chi-Square and Fisher's Options for Contingency table analyses - GraphPad Do you need assistance for publication
Before diving into the “how,” it is essential to understand the The chi-square test in GraphPad Prism is used in two primary scenarios: chi square graphpad verified