Table 3 Open in new tab Correlation...

Table 3

Correlation analysis in the TTS cohort

Variable	Septal native T1	Septal T2	T2 apicobasal gradient	Septal ECV
At hospital admission
Age	−0.006	−0.002	−0.012	−0.137
Emotional trigger	0.055	−0.082	0.021	−0.089
Physical trigger	−0.083	0.003	0.186	0.239
Angina	0.110	0.276	0.002	0.258
ST elevation (admission ECG)	0.336	0.111	0.150	0.122
T-wave inversion (admission ECG)	−0.178	−0.276	−0.118	−0.191
acute LVEF (echocardiography)	−0.403	−0.333	−0.392	−0.157
At CMR examination
LVEF	−0.640^a	−0.459^a	−0.377	−0.248
RVEF	−0.241	−0.188	−0.182	0.097
LV GLS	0.484^a	0.245	0.421	0.088
LV GCS	0.547^a	0.366	0.309	0.167
Septal native T1	NA	0.609^a	0.318	0.481^a
Septal T2	0.609^a	NA	0.463^a	0.689^a
T2 (apicobasal gradient)	0.318	0.463^a	NA	0.416
Septal ECV	0.481^a	0.689^a	0.416	NA
aVR (voltage)	−0.481^a	−0.478^a	−0.147	−0.605^a
T-wave inversion (voltage)	−0.102	−0.044	0.499^a	0.125
T-wave inversion (number of leads)	−0.225	−0.111	0.426	−0.083
QTc length (msec)	0.078	−0.039	0.372	0.171

Variable	Septal native T1	Septal T2	T2 apicobasal gradient	Septal ECV
At hospital admission
Age	−0.006	−0.002	−0.012	−0.137
Emotional trigger	0.055	−0.082	0.021	−0.089
Physical trigger	−0.083	0.003	0.186	0.239
Angina	0.110	0.276	0.002	0.258
ST elevation (admission ECG)	0.336	0.111	0.150	0.122
T-wave inversion (admission ECG)	−0.178	−0.276	−0.118	−0.191
acute LVEF (echocardiography)	−0.403	−0.333	−0.392	−0.157
At CMR examination
LVEF	−0.640^a	−0.459^a	−0.377	−0.248
RVEF	−0.241	−0.188	−0.182	0.097
LV GLS	0.484^a	0.245	0.421	0.088
LV GCS	0.547^a	0.366	0.309	0.167
Septal native T1	NA	0.609^a	0.318	0.481^a
Septal T2	0.609^a	NA	0.463^a	0.689^a
T2 (apicobasal gradient)	0.318	0.463^a	NA	0.416
Septal ECV	0.481^a	0.689^a	0.416	NA
aVR (voltage)	−0.481^a	−0.478^a	−0.147	−0.605^a
T-wave inversion (voltage)	−0.102	−0.044	0.499^a	0.125
T-wave inversion (number of leads)	−0.225	−0.111	0.426	−0.083
QTc length (msec)	0.078	−0.039	0.372	0.171

Takotsubo syndrome (TTS), left ventricle (LV), left ventricular ejection fraction (LVEF), right ventricular ejection fraction (RVEF), global longitudinal strain (GLS), global circumferential strain (GCS), extracellular volume (ECV), not applicable (NA).

denotes P < 0.01.

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