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The Ultrasound Journal
Fig. 2 | The Ultrasound Journal

Fig. 2

From: The CLOSED protocol to assess optic nerve sheath diameter using color-Doppler: a comparison study in a cohort of idiopathic normal pressure hydrocephalus patients

Fig. 2

Bland–Altman plots displaying the intra-rater agreement for neuroradiologist with two sets of measurement in magnetic resonance imaging. The values in the reported axes are in millimeters. a Average difference (violet line): − 0.165; 95% limits of agreement (red lines): − 1.216, 0.886. b Average difference (violet line): − 0.112; 95% limits of agreement (red lines): − 0.944, 0.721. c Average difference (violet line): − 0.190; 95% limits of agreement (red lines): − 1.022, 0.642. d Average difference (violet line): 0.154; 95% limits of agreement (red lines): − 1.080, 0.772

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