Table 2.

Global rotational and electro-mechanical parameters of LV.

Parameter	Wringing rotation Group A	Rigid-body-type rotation Group B	p value
LV peak torsion (°)	6.2 ± 3.0	3.5 ± 2.2	0.02
LV mean torsion (°)	4.3 ± 2.5	1.4 ± 1.6	0.002
LV rotation rate (°/s)	29.7 ± 9.2	40.0 ± 12.3	0.07
Interventricular delay (ms)	23 (10; 60)	51 (0; 79)	0.75
LV electrical activation time (ms)	120 ± 261	110 ± 22	0.37
LV rotational electro-mechanical delay (ms)	369 ± 59	366 ± 54	0.70
LV electrical cycle length (ms)	943 ± 106	869 ± 128	0.20
LV mechanical cycle length (ms)	950 ± 100	881 ± 123	0.22
Unipolar voltage (mV)	7.86 ± 3.01	9.84 ± 4.21	0.004
Bipolar voltage (mV)	1.55 ± 2.76	2.34 ± 2.49	0.007
LGE intensity (%)	13.87 ± 17.21	11.19 ± 17.64	0.225
Total annotation points number, n	272 ± 41	274 ± 50	0.93

Values are mean ± SD or median (25th; 75th percentile).

LGE late gadolinium enhancement, LV left ventricle.