Prognostic Value of Left Ventricular Diastolic Dysfunction in Patients Undergoing Cardiac Catheterization for Coronary Artery Disease

Table 3

Echocardiographic feature of patient subgroups stratified by left ventricular relaxation time constant (Tau) and peak early diastolic mitral annular velocity (𝑒^′).

		Tau			𝑒^′
	≤48 ms	>48 ms	𝑃 value	≥5.8 cm/s	<5.8 cm/s	𝑃 value
	(𝑛=127)	(𝑛=95)		(𝑛=153)	(𝑛=69)
Echocardiographic indices
E/A	0.79±0.23	0.90±0.55	0.05	0.87±0.33	0.77±0.54	NS
Deceleration time, ms	218±48	201±52	NS	210±51	214±49	NS
𝑒^′ cm/s	7.5±2.0	6.4±1.9	<0.001	8.0±1.6	4.8±0.8	<0.001
𝐸/𝑒^′	8.8±2.8	10.6±3.7	<0.001	8.3±2.3	12.4±3.6	<0.001
Left ventricular mass index, g/m^2	99.8±24.5	120.7±26.9	<0.001	101.5±25.4	122.9±26.5	<0.001