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Table 1 Interobserver reproducibility in the assessment of DCE-MRI parameters

From: Quantitative DCE-MRI: an efficient diagnostic technique for evaluating early micro-environment permeability changes in ankylosing spondylitis

Parameter

Interclass coefficient correlation (95% CI)

Coefficient of variation (%)

Ktrans (min −1)

0.92 (0.86–0.95)

7.1

Kep (min −1)

0.93 (0.85–0.96)

9.6

Ve

0.78 (0.59–0.89)

3.1

  1. Data are presented as means (95%CI) or n(%). Interobserver agreement was evaluated by using interclass coefficient correlation (ICC) analysis and interobserver variability was calculated by using the coefficient of variation (CV)