Association of hypercholesterolemia and cardiac function evaluated by speckle tracking echocardiography in a rabbit model

Table 3 Peak systolic longitudinal strain values

Longitudinal strain (%)	Group 1 n = 8	Group 2 n = 10	Group 3 n = 9	F-value	P-value
A4C septum
Basal segment	-21.76 ± 3.28	-21.97 ± 4.08	-18.87 ± 2.15	2.240	0.129
Mid segment	-23.40 ± 4.38	-21.89 ± 3.47	-18.91 ± 2.20*	3.493	0.047
Apical segment	-24.54 ± 5.57	-22.08 ± 4.32	-19.41 ± 3.06*	2.685	0.090
A4C lateral wall
Basal segment	-23.64 ± 4.44	-21.96 ± 3.31	-18.30 ± 1.69*^▲	5.382	0.019
Mid segment	-20.88 ± 3.74	-20.98 ± 3.20	-18.32 ± 2.01	1.945	0.166
Apical segment	-22.94 ± 3.36	-21.90 ± 3.48	-19.28 ± 4.21	2.115	0.143
A3C posterior wall
Basal segment	-22.74 ± 3.21	-20.89 ± 2.38	-18.87 ± 3.35*	3.425	0.050
Mid segment	-21.71 ± 2.68	-22.05 ± 2.65	-18.57 ± 3.13*^▲	3.924	0.034
Apical segment	-23.77 ± 2.78	-21.15 ± 3.47	-21.60 ± 4.27	1.327	0.285
A3C anterior septum
Basal segment	-21.31 ± 3.34	-20.92 ± 3.54	-19.41 ± 2.79	0.764	0.477
Mid segment	-21.96 ± 2.95	-21.09 ± 3.70	-19.62 ± 3.68	0.837	0.446
Apical segment	-22.28 ± 2.24	-22.59 ± 2.87	-18.86 ± 3.55*^▲	4.197	0.028
A2C inferior wall
Basal segment	-25.78 ± 4.34	-20.90 ± 2.74*	-19.36 ± 3.19*	7.749	0.003
Mid segment	-23.37 ± 4.53	-20.02 ± 2.59	-19.08 ± 3.61*	3.205	0.059
Apical segment	-24.54 ± 4.51	-21.23 ± 2.34	-21.57 ± 4.23	2.027	0.155
A2C anterior wall
Basal segment	-23.64 ± 4.28	-21.75 ± 2.34	-18.96 ± 3.24*	4.066	0.031
Mid segment	-23.17 ± 3.39	-23.37 ± 2.68	-17.82 ± 3.00*^▲	9.140	0.001
Apical segment	-24.28 ± 5.70	-23.59 ± 3.90	-21.10 ± 4.14	1.075	0.358

Data are expressed as mean ± SD. A4C, Apical four-chamber; A3C, apical three-chamber; A2C, apical two-chamber. *p < 0.05 for group 3 and group 2 vs. group 1, ^▲p < 0.05 for group 3 vs. group 2.

ISSN: 1476-511X