Table 3.

Association Between ECG and Echocardiographic Abnormalities

	No ST-Segment Changes (n = 275)	Regional ST-Segment Changes∗ (n = 22)	Diffuse ST-Segment Changes (n = 8)	p Value
Ejection fraction, %	60 (51–65)	47 (36–55)	30 (24–43)	<0.0001
≥50	216 (78.8)	9 (42.9)	2 (25.0)	<0.0001
40–49	30 (11.0)	7 (31.8)	0 (0.0)
<40	28 (10.2)	6 (27.3)	6 (75.0)
Wall motion abnormalities	34 (12.4)	14 (63.6)	2 (25.0)	<0.0001
Global LV dysfunction	39 (14.2)	0 (0.0)	5 (62.5)	<0.0001
RV size
Normal	217 (80.4)	19 (86.4)	3 (42.9)	0.04
Mild dilatation	33 (12.2)	1 (4.8)	1 (14.3)
Moderate dilatation	15 (5.5)	1 (4.8)	2 (28.6)
Severe dilatation	5 (1.9)	1 (4.8)	1 (14.3)
RV function
Normal	215 (79.9)	19 (86.4)	2 (28.6)	<0.0001
Mildly abnormal	35 (13.0)	1 (4.8)	1 (14.3)
Moderately abnormal	17 (6.3)	2 (9.5)	2 (28.6)
Severely abnormal	2 (0.7)	0 (0.0)	2 (28.6)
Any pericardial effusion	20 (7.3)	2 (9.1)	0 (0.0)	0.69

Values are n (%) or median (interquartile range) as appropriate.

Abbreviations as in Table 2.

^∗Defined as ST-segment elevations or deviations occurring in a coronary artery distribution territory, including reciprocal ST-segment changes.