Bland-Altman Test

Bland-Altman Plot (Method Comparison)

Compare two measurement methods (e.g., Gold Standard vs New Test) to check agreement.

Method A Data (e.g., Manual BP)

Method B Data (e.g., Digital BP)

Bland-Altman Plot

Agreement Statistics

Parameter	Value	Description
Bias (Mean Diff)	-	Average difference between methods (Systematic Error).
Upper Limit of Agreement	-	Bias + 1.96 SD
Lower Limit of Agreement	-	Bias - 1.96 SD
SD of Difference	-	Standard Deviation of the differences.