Development and validation of a machine learning model for diagnosis of ischemic heart disease using single-lead electrocardiogram parameters

Table 2 Related Pearson correlation power analysis

	n	Actual power2	Test assumptions
			Power	Null	Alternative	P value
Pearson correlation1	46	0.954	0.95	0	0.5	0.05

¹Two-sided test.

²Based on Fisher's z-transformation and normal approximation with bias adjustment. The minimum required sample size was 54 participants.