Table 3: The comparison of echocardiographic findings between the subgroups.

Total (n = 103)E group (n = 15)Other group (n = 88)P

Initial TTE findings
Ballooning pattern
 Typical TTC pattern, n (%)79 (77)11 (73)68 (77)0.554
 Inverted TTC pattern, n (%)20 (19)4 (27)16 (18)
 Mid-ventricular pattern, n (%)4 (4)0 (0)4 (5)
 Localized pattern, n (%)0 (0)0 (0)0 (0)
 LVEF (%)40.5 ± 8.045.7 ± 4.339.6 ± 8.2 0.001*
 LVEDD (mm)51.8 ± 6.149.5 ± 2.752.2 ± 6.9 0.009*
 LVESD (mm)36.9 ± 7.030.8 ± 4.837.9 ± 6.8 0.001*
 LAVI (mL/m2)28.2 ± 14.722.0 ± 3.829.3 ± 15.60.077
 RVSP (mmHg)33.7 ± 3.633.4 ± 3.233.8 ± 3.70.696
 E/E′10.8 ± 5.510.1 ± 2.911.0 ± 5.80.638
 SAM13 (13)3 (20)10 (11)0.352
 Significant MR, n (%)25 (24)5 (33)20 (23)0.376
 Significant AR, n (%)6 (6)2 (13)4 (5)0.179
 Significant TR, n (%)15 (15)4 (27)11 (13)0.151
Follow-up TTE findings
 LVEF (%)62.9 ± 4.765.4 ± 5.162.5 ± 4.50.061
 LVEDD (mm)49.7 ± 5.350.4 ± 5.049.6 ± 5.40.664
 LVESD (mm)31.2 ± 4.229.6 ± 4.831.0 ± 4.10.187
 LAVI (mL/m2)27.6 ± 14.225.8 ± 3.427.7 ± 15.20.684
 RVSP (mmHg)31.8 ± 4.731.7 ± 4.732.0 ± 4.00.280
 E/E′10.5 ± 5.311.7 ± 3.19.5 ± 3.30.478
 SAM0 (0)0 (0)0 (0)
 Significant MR, n (%)9 (9)2 (13)7 (8)0.495
 Reversible MR, n (%)16 (16)3 (20)13 (15)0.605
 Significant AR, n (%)4 (4)0 (0)4 (5)0.400
 Significant TR, n (%)9 (8)1 (7)8 (9)0.224

TTE: transthoracic echocardiography; LVEF: left ventricular ejection fraction; LVEDD: left ventricular end-diastolic diameter; LVESD: left ventricular end-systolic diameter; LAVI: left atrial volume index; RVSP: right ventricular systolic pressure; E/E′: early diastolic mitral inflow velocity/early diastolic annular velocity; SAM: systolic anterior motion of anterior mitral leaflet; MR: mitral regurgitation; TRL: tricuspid regurgitation; AR: aortic regurgitation.
*Significant finding.