Table 3.

Predicted Values of Cardiac Tissue Composition Within the RVOT, RV, Septum, and Anterior and Posterior LV

	RVOT		RV		Septum		Anterior LV		Posterior LV
	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI
Brugada (n = 28)
Collagen % of tissue area
Total	21.6	18.8-24.8	21.0	18.3-24.0	12.9	11.4-14.6	12.7	11.0-14.5	14.5	12.6-16.7
Epicardial	23.7	20.8-26.9	23.0	20.3-26.1			12.9	11.3-14.6	12.9	11.3-14.7
Endocardial	19.5	17.0-22.4	18.1	15.8-20.8			12.3	10.7-14.1	15.7	13.7-18.0
Fat % of tissue area
Total	7.8	5.7-10.6	12.7	9.4-17.2	1.8	1.4-2.4	7.1	5.2-9.6	3.2	2.4-4.4
Epicardial	11.6	8.1-16.5	21.5	15.2-30.5			11.1	7.8-15.7	4.5	3.2-6.5
Endocardial	3.5	2.7-4.5	4.7	3.6-6.0			2.8	2.1-3.6	2.3	1.8-2.9
Myocytes % of tissue area
Total	62.4	58.6-66.4	60.2	56.5-64.0	82.7	78.4-87.2	76.1	71.5-81.0	80.1	75.3-85.3
Epicardial	50.9	45.0-57.7	45.7	40.5-51.6			67.0	59.2-75.8	79.4	70.2-89.9
Endocardial	73.3	69.9-76.9	73.1	69.7-76.6			83.4	79.5-87.4	79.8	76.1-83.7
Control subjects (n = 29)
Collagen % of tissue area
Total	14.6	12.4-17.1	15.9	13.5-16.7	8.6	7.4-9.9	9.1	7.7-10.6	9.9	8.4-10.6
Epicardial	15.4	12.8-18.5	16.3	13.5-19.8			9.4	7.8-11.3	8.8	7.3-10.6
Endocardial	13.3	11.3-15.6	14.0	11.8-16.5			8.7	7.4-10.2	10.4	8.9-12.2
Fat % of tissue area
Total	10.9	8.0-14.6	14.2	10.5-19.2	1.5	1.2-1.9	7.4	5.5-9.9	3.0	2.2-4.0
Epicardial	16.8	11.7-24.1	24.6	16.8-36.0			12.1	8.4-17.4	4.3	3.0-6.1
Endocardial	4.3	3.5-5.3	4.6	3.7-5.8			2.1	1.7-2.6	2.0	1.7-2.5
Myocytes % of tissue area
Total	67.9	64.5-71.5	64.0	60.7-67.4	88.6	84.9-92.4	78.3	74.4-82.4	84.1	79.9-88.6
Epicardial	55.4	49.2-62.3	48.6	42.9-55.0			67.7	60.1-76.2	81.4	72.4-91.5
Endocardial	79.8	77.3-82.3	79.3	76.7-82.0			87.4	84.6-90.2	82.2	83.5-88.9

Values are geometric means and corresponding 95% CIs of the predictions.

Abbreviations as in Table 2.