Predictive power of statistical significance

Table 3 A Type I error corresponds to 1-specificity and a Type II error corresponds to 1-sensitivity when study findings are determined to be significant or insignificant based upon the P-value

	Reality
Study findings		Alternative hypothesis true	Null hypothesis true
	Significant P-value ≤ 0.05	Correct	Type I error
	Insignificant P-value > 0.05	Type II error	Correct