Table 2. Echocardiographic Findings^*.

Variables	Control Subjects	No.	EOV Patients	No.	p Value
LVEF ≥ 0.40	19 (40)	47	19 (41)	46	0.93†
Stroke volume, mL/beat	80 ± 22	46	77 ± 29	45	0.36‡
Cardiac output, L/min	5.5 ± 1.5	46	5.5 ± 1.8	45	0.62‡
Cardiac index, L/min/m2	2.7 ± 0.17	45	2.7 ± 0.8	44	0.41‡
LVEDd, mm	62 ± 11	47	60 ± 12	45	0.38‡
Left atrial volume, mL	71 ± 27	42	90 ± 38	43	0.01‡
Mitral E-wave velocity, m/s	0.8 ± 0.3	44	1.0 ± 0.4	44	0.02‡
Pulmonary vein diastolic velocity, m/s	0.5 ± 0.2	39	0.6 ± 0.2	34	0.009‡
Right atrial pressure, mm Hg	7.6 ± 3.7	36	9.9 ± 5.2	30	0.04‡
RV systolic pressure, mm Hg	38 ± 15	36	46 ± 17	40	0.02‡

^*Values are given as No. (%) or the mean ± SD, unless otherwise indicated. LVEDd = left ventricular end-diastolic diameter; RV = right ventricular.

^†Determined by χ² test.

^‡Determined by t test.