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The Ultrasound Journal

Table 2 Intra-rater agreement in MRI assessment of the neuroradiologist

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

NRD—assessment I vs. II

TDR

SDR

TDL

SDL

CCC (95% CI)

0.678

(0.530, 0.827)

0.796

(0.693, 0.898)

0.808

(0.715, 0.902)

0.791

(0.688, 0.895)

  1. A CCC (95% CI) < 0.20 was considered as “poor” and > 0.80 was considered as “excellent”. Comparison between the assessment I and II of the neuroradiologist
  2. NRD neuroradiologist, CCC Lin’s concordance correlation coefficient, TDR transverse diameter right, SDR, sagittal diameter right, TDL, transverse diameter left, SDL, sagittal diameter left
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