Table 2.

Comparison of proportions of left ventricular systolic dysfunction parameters of thyrotoxicosis patients and control

Parameters	Proportions found in Thyrotoxicosis Patients PT	Proportions found in Control PC	t-test value	P-value
LVER <50%	0.10	0.00	2.05	<0.05*
FS <18%	0.12	0.00	2.35	<0.05*
Cardiac index <2.8 L/min/m2	0.10	0.02	2.52	<0.05*
Cardiac output <4 L	0.10	0.02	2.1	<0.05*
Peak aortic systolic velocity <72 cm/s	0.12	0.00	2.30	<0.05*
VCF(circumferences/second) <1.02	0.10	0.00	2.35	<0.05*

Abbreviations: FS, fractional shortening; VCF, velocity of circumferential fiber shortening; LVEFR, Left ventricular ejection fraction.