Cardiovascular Ultrasound

Table 2 Calibrated integrated backscatter (cIB) values and histological calcium area (Ca Area) of the aortic valve

From: Echocardiographic integrated backscatter for detecting progression and regression of aortic valve calcifications in rats

		Gr 1	Gr 2	p (Gr 1 vs. Gr 2)
		Adenine 0.5%	Controls
cIB Baseline (dB)	ROI_AVTOT	13.4 ± 0.4	14.2 ± 0.5	0.259
cIB Baseline (dB)	ROI_GLOB	16.9 ± 0.6	16.6 ± 0.6	0.739
cIB Week 9(dB)	ROI_AVTOT	16.4 ± 0.5 **	13.3 ± 0.6	0.001
cIB Week 9(dB)	ROI_GLOB	20.7 ± 0.5 **	17.2 ± 0.7	< 0.001
cIB Week 21 (dB)	ROI_AVTOT	14.8 ± 0.8	14.2 ± 0.5	0.531
cIB Week 21 (dB)	ROI_GLOB	18.3 ± 1.3	18.7 ± 1.0	0.784
Ca Area Week 9 (mm²)		0.076 ± 0.021	0.0 ± 0.0	0.005
Ca Area Week 21 (mm²)		0.023 ± 0.012 #	0.0 ± 0.0	0.074

Data are represented as means ± SEM. dB, decibel; Gr., group; ROI_AVTOT, region of interest, aortic valve, total; ROI_GLOB, region of interest, aortic valve, global. ** Vs. Baseline; p < 0.001. # Vs. Week 9; p = 0.037.

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