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Table 2 Methodological approach of reading procedures for testing inter- and intra-observer variability of echo-Doppler parameters

From: Methodological approach for the assessment of ultrasound reproducibility of cardiac structure and function: a proposal of the study group of Echocardiography of the Italian Society of Cardiology (Ultra Cardia SIC) Part I

Assessment Procedures
A. Preliminary assessment 1. Joint discussion on how to measure parameters by using sample echo studies not included in subsequent analysis
  2. Preliminary reading session by the 2 readers of each couple on 4 cases for each echo-Doppler modality which were not included in the subsequent reproducibility analyses
  3. Reciprocal training by the readers and standardization of measurements
B. Final assessment 1. First and second reading in random order by one of the observers of each couple
  2. Blind independent reading of the second observer