Quantitative Aortic Distensibility Measurement Using CT in Patients with Abdominal Aortic Aneurysm: Reproducibility and Clinical Relevance

Figure 3

Bland-Altman plots show close degree of intra- and interobserver agreement of distensibility measurements immediately below the lowest renal artery. Upper and lower dashed lines = 95% CI for mean difference (±1.96 standard deviations). (a) The mean difference in measurement pairs was 0.017 × 10⁻⁵ Pa⁻¹ (−0.28 to 0.30). (b) The mean difference in measurement pairs was 0.013 × 10⁻⁵ Pa⁻¹ (−0.26 to 0.28).

(a)

(b)