Interatrial block and atrial remodeling assessed using speckle tracking echocardiography

Table 1 Clinical and Doppler-echocardiographic characteristics

Variable	No ^aIAB (c) (n = 56)	^bpIAB (p) (n = 21)	^caIAB (a) (n = 22)	p ANOVA	p Post Hoc
Age, years	72.2 ± 8.0	69.7 ± 9.9	77.0 ± 7.6	0.014	p vs. a = 0.013
Men, n (%)	32 (57)	14 (67)	11 (50)	0.54
Duration of P wave on ECG (ms)	108 (100–115)	127.5 (123–135.3)	139 (132–149.3)	< 0.001	c vs. p < 0.001
					c vs. a < 0.001
					p vs. a < 0.001
Hypertension, n (%)	37 (66)	17 (81)	19 (86)	0.09
Diabetes mellitus, n (%)	16 (29)	9 (43)	14 (64)	0.011
^dLAVImax	25.6 (21.4–30.3)	33.5 (27.2–45.1)	35.2 (27.1–42.6)	< 0.001	c vs. p < 0.001
^dLAVImax	25.6 (21.4–30.3)	33.5 (27.2–45.1)	35.2 (27.1–42.6)	< 0.001	c vs. a < 0.001
^eE/A ratio	0.74 (0.66–0.87)	0.96 (0.79–1.3)	1.1 (0.85–1.3)	< 0.001	c vs. p = 0.011
^eE/A ratio	0.74 (0.66–0.87)	0.96 (0.79–1.3)	1.1 (0.85–1.3)	< 0.001	c vs. a < 0.001
^fASCTMF (%)	47 ± 37	44 ± 10	39 ± 10	0.006	c vs. a = 0.004

Clinical and Doppler-echocardiographic characteristics of the sample. Values are presented as mean ± SD or median (interquartile range). ^aIAB interatrial block, ^bpIAB partial interatrial block, ^caIAB advanced interatrial block, ^dLAVImax Maximal left atrial volume indexed to body surface area (mL/m²), ^eE/A ratio E wave to A wave ratio, a measure of the function of the left ventricle, ^fASCTMF atrial systolic contribution to total mitral flow

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