Fig. 4From: In vitro evaluation of cerebrospinal fluid velocity measurement in type I Chiari malformation: repeatability, reproducibility, and agreement using 2D phase contrast and 4D flow MRIBland–Altman plot showing agreement between 2D PC MRI and 4D Flow measurements; the trendline of the data is indicated by the black line, the mean of the differences is shown in blue, and the mean ± 2STD is indicated by the red linesBack to article page