Table 1

Correlations Between MIC and Echocardiographic Variables

ρ95% CIp Value
Conventional echocardiographic parameters
 EF0.24−0.32 to 0.660.40
 E/A0.52−0.070 to 0.820.071
 Deceleration time−0.058−0.59 to 0.510.85
 e′0.52−0.039 to 0.820.059
 E/e′−0.43−0.80 to 0.210.17
Echocardiographic speckle-tracking analysis
 Radial strain, %−0.55−0.82 to −0.0260.036
 Radial displacement, mm−0.72−0.90 to −0.310.0025
 Radial velocity, cm/s−0.82−0.93 to −0.510.0002
 Circumferential strain, %0.750.36 to 0.910.0014
 Circumferential strain rate, 1/s0.44−0.11 to 0.770.10
 Longitudinal strain, %0.30−0.26 to 0.700.28
 Longitudinal strain rate, 1/s0.12−0.42 to 0.590.67

EF = ejection fraction; MIC = myocardial iron concentration.