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Table 3 Inter- and intraobserver variability of the time‒volume curve and feature tracking

From: Early longitudinal changes in left ventricular function and morphology in diabetic pigs: evaluation by 3.0T magnetic resonance imaging

 

Intraobserver (n = 15) ICC

95% CI

Interobserver (n = 15) ICC

95% CI

PER

0.912

0.759–0.969

0.867

0.633–0.943

PFR

0.955

0.873–0.986

0.902

0.765–0.934

PER/EDV

0.866

0.657–0.953

0.863

0.773–0.914

PFR/EDV

0.922

0.673–0.978

0.887

0.873–0.924

DVR80%

0.926

0.795–0.974

0.923

0.895–0.956

GRPS

0.925

0.878–0.963

0.887

0.705–0.960

GCPS

0.974

0.926–0.991

0.958

0.905–0.984

GLPS

0.987

0.966–0.996

0.937

0.883–0.975

  1. ICC intraclass correlation coefficient, PER peak ejection rate, PFR peak filling rate, EDV end-diastolic volume, GRPS radial global peak strain, GCPS circumferential global peak strain, GLPS longitudinal global peak strain
  2. All P < 0.001