Journal of Cardiovascular Magnetic Resonance

Table 3 Cross tabulation of various SWT scores with segments showing LGE in CMR

From: Comparison of wall thickening and ejection fraction by cardiovascular magnetic resonance and echocardiography in acute myocardial infarction

Baseline				Follow-up
		LGE negative	LGE positive			LGE negative	LGE positive
SWT < 20%	negative	382	306	SWT < 20%	negative	381	313
	positive	63	81		positive	72	66
	sensitivity	20.9			sensitivity	17.4
	specificity	85.8			specificity	84.1
SWT < 30%	negative	342	256	SWT < 30%	negative	361	275
	positive	103	131		positive	92	104
	sensitivity	33.9			sensitivity	27.4
	specificity	76.9			specificity	79.7
SWT < 40%	negative	304	212	SWT < 40%	negative	324	237
	positive	141	175		positive	129	142
	sensitivity	45.2			sensitivity	37.5
	specificity	68.3			specificity	71.5
SWT < 50%	negative	252	168	SWT < 50%	negative	283	192
	positive	193	219		positive	170	187
	sensitivity	56.6			sensitivity	49.3
	specificity	56.6			specificity	62.5
SWT < 60%	negative	206	140	SWT < 60%	negative	239	158
	positive	239	247		positive	214	221
	sensitivity	63.8			sensitivity	58.3
	specificity	46.3			specificity	52.8

Table 3 compares each SWT (systolic wall thickening) score at baseline and follow-up through cross tabulation with the segments in CMR showing LGE (late enhancement). Sensitivity and specificity were calculated through cross tabulation.

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ISSN: 1532-429X

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