Table 4.

Comparison of proportions of left ventricular enhanced systolic function parameters between thyrotoxicosis patients and control

Parameters	Proportions found in thyrotoxicosis patients	Proportions found in control	Student’s t-test value	P-value
LVEF >75%	0.22	0.04	5.9	<0.01*
FS >45%	0.28	0.06	5.15	<0.01*
Cardiac index >4.2 L/min/m2	0.30	0.0	4.32	<0.01*
Cardiac output >7 L	0.28	0.0	4.32	<0.01*
Peak aortic systolic velocity (cm/s) >120 cm/seconds	0.22	0.06	2.18	<0.05*
VCF (circumferences/second) >1.9	0.26	0.06	2.34	<0.05*

Note:

^*Represents significant value.

Abbreviations: LVEF, left ventricular ejection fraction; FS, fractional shortening; VCF, velocity of circumferential fiber; P_T, proportions found in thyrotoxicosis patients; P_C, proportions found in controls.