AssayIndex
Statistics

Bland–Altman analysis

Paired comparison of two measurement methods by plotting difference against mean. Yields a bias and limits of agreement. Used for inter-lab agreement here.

Related terms

Limits of agreement
Mean difference ± 1.96 standard deviations of the difference. The interval within which 95 % of paired differences fall.
Bias
A systematic offset between a measurement and a reference. Distinct from scatter: bias in one direction across many observations is a different finding from random disagreement.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.