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Table 2 Summary of ICC velocity values for repeatability and reproducibility assessments in healthy volunteers and patients

From: Reproducibility of Transcranial Doppler ultrasound in the middle cerebral artery

Healthy Volunteers
Repeatability (Exam 1 vs Exam 2) ICC 95% CI
 Peak 0.880 0.726–0.950
 Mean 0.867 0.700–0.945
 End-diastolic 0.887 0.741–0.953
Reproducibility (Visit 1 vs Visit 2) ICC 95% CI
 Peak 0.777 0.526–0.905
 Mean 0.795 0.558–0.913
 End-diastolic 0.674 0.349–0.856
Patients
Repeatability (Exam 1 vs Exam 2) ICC 95% CI
 Peak 0.926 0.826–0.970
 Mean 0.922 0.817–0.968
 End-diastolic 0.868 0.701–0.945
Reproducibility (Visit 1 vs Visit 2) ICC 95% CI
 Peak 0.800 0.567–0.915
 Mean 0.786 0.542–0.909
 End-diastolic 0.778 0.527–0.905
  1. Date are reported as mean with 95% limits of agreement for assessments