Figure 5From: A method for quantitative measurement of lumbar intervertebral disc structures: an intra- and inter-rater agreement and reliability studyThe Bland and Altman ' s plot. The y-axis shows the difference between raters’ measurements, and the x-axis shows the mean value of both raters’ measurements. The purple line shows the mean difference between measurements. Red lines show the 95% Limits of Agreement, between which 95% of all measurement differences are located.Back to article page