Analysis of the thickness characteristics of the left atrial posterior wall and its correlation with the low and no voltage areas of the left atrial posterior wall in patients with atrial fibrillation

Table 3 Comparison of left, middle and right mean levels of left posterior atrial wall thickness

Indicators	Level	X2	P	Left vs. Right	Left vs. centre	Right vs.
Left mean (mm)	1.57 ± 0.32	22.366	< 0.001	< 0.001	0.039	0.001
Right mean (mm)	1.41 (1.26, 1.55)
Mean vertical centre value (mm)	1.50 ± 0.24

ISSN: 1749-8090