Table 1. Echocardiography data of LV structure and function.

	NTG	cTnIS200D	cTnIS200A
Age (month)	6	6	6
Sex	Male	Male	Male
Body Weight (g)	31.26 ± 1.81	28.52 ± 1.40	29.84 ± 1.37
Heart Weight/Body Weight (%)	0.47 ± 0.02	0.54 ± 0.05	0.50 ± 0.03
Heart Weight/Tibial Length (g/cm)	0.078 ± 0.005	0.077 ± 0.004	0.079 ± 0.005
Heart Rate (bpm)	683 ± 3	673 ± 2	697 ± 4
Interventricular Septum thickness (mm)	0.97 ± 0.03	0.97 ± 0.01	0.98 ± 0.02
LV Posterior Wall Thickness (mm)	0.95 ± 0.03	0.91 ± 0.02	0.97 ± 0.01
LV End Diastolic Diameter (mm)	2.79 ± 0.10	2.75 ± 0.06	2.86 ± 0.07
LV End Systolic Diameter (mm)	1.13 ± 0.05	1.10 ± 0.04	1.21 ± 0.05
FS (%)	59.53 ± 0.98	59.83 ± 1.06	57.72 ± 0.78
EF (%)	83.59 ± 0.79	83.82 ± 0.86	82.10 ± 0.67
IVCT (m/sec)	12.88 ± 0.92	11.79 ± 0.92	10.46 ± 0.84
IVRT (m/sec)	22.75 ± 0.32	25.96 ± 0.84 *	24.31 ± 1.18
E′(mm/s)	38.14 ± 3.69	22.95 ± 4.40 †	42.45 ± 3.70
A′(mm/s)	29.72 ± 3.47	23.81 ± 3.05	31.92 ± 2.58

^*P<0.05 compared to NTG.

^†P<0.05 compared to NTG and cTnIS200A. n=5. Abbreviations: FS, fraction shortening; EF, ejection fraction; IVCT, isovolumic contraction time; IVRT, isovolumic relaxation time; E′, peak early diastolic mitral annulus velocity; A′, peak late diastolic (atrial contraction) mitral annulus velocity.