Table 2

Echocardiographic Characteristics According to Study Group

Normal (n = 70)CP (n = 37)RCM (n = 35)p Value
IVS thickness, mm7.9 ± 1.18.2 ± 1.513.0 ± 2.9<0.001
LV PW thickness, mm7.9 ± 1.18.2 ± 1.512.3 ± 2.1<0.001
LV end-diastolic dimension, mm49 ± 444 ± 547 ± 7<0.001
LV end-systolic dimension, mm29 ± 427 ± 732 ± 70.001
Ejection fraction, %64 ± 562 ± 554 ± 12<0.001
E, m/s0.74 ± 0.150.79 ± 0.200.84 ± 0.220.026
A, m/s0.58 ± 0.130.51 ± 0.230.47 ± 0.220.009
E/A ratio1.3 ± 0.31.9 ± 1.22.2 ± 1.4<0.001
Deceleration time, ms201 ± 38162 ± 38173 ± 44<0.001
SE′, cm/s9.9 ± 2.011.8 ± 3.04.6 ± 1.3<0.001
SA′, cm/s9.9 ± 4.28.8 ± 3.64.6 ± 2.4<0.001
E/SE′ ratio7.7 ± 1.77.2 ± 2.619.4 ± 6.3<0.001
LE′, cm/s13.4 ± 3.411.0 ± 3.26.1 ± 1.9<0.001
LE′/SE′ ratio1.36 ± 0.240.94 ± 0.171.35 ± 0.31<0.001
RE′, cm/s12.7 ± 3.39.5 ± 4.38.6 ± 2.8<0.001
RE′/SE′ ratio1.30 ± 0.320.81 ± 0.261.96 ± 0.71<0.001
LA′, cm/s10.7 ± 7.68.3 ± 3.85.3 ± 2.4<0.001
LA′/SA′ ratio1.07 ± 0.251.02 ± 0.591.24 ± 0.470.082
RA′, cm/s13.3 ± 4.09.9 ± 4.89.1 ± 6.1<0.001
RA′/SA′ ratio1.42 ± 0.441.24 ± 0.741.89 ± 0.78<0.001
Right atrial size, mm34 ± 538 ± 1045 ± 9<0.001
LA volume index, ml/m220 ± 527 ± 1443 ± 18<0.001

Values are presented as mean ± SD.

A = late diastolic transmitral filling velocity; E = early diastolic transmitral filling velocity; IVS = interventricular septum; LA = left atrium; LA′ = late diastolic lateral mitral annular velocity; LE′ = early diastolic lateral mitral annular velocity; LV = left ventricular; PW = posterior wall; RA′ = late diastolic right lateral tricuspid annular velocity; RE′ = early diastolic right lateral tricuspid annular velocity; SA′ = late diastolic septal mitral annular velocity; SE′ = early diastolic septal mitral annular velocity; other abbreviations as in Table 1.

  • p < 0.05 versus RCM.

  • p < 0.05 versus normal group.