Table 2.

Obese and non-obese group strain comparison and PVI influence on left atrial strain

	Before PVI			6 months after PVI			Before vs 6-month after PVI
	Obese	Non-obese	p	Obese	Non-obese	p	Obese	Non-obese
Strain in two-chamber view
Basal-inferior	− 17.52 ± .4.1	− 17.72 ± 6.3	NS	− 13.14 ± 13.6	− 18.33 ± 6	NS	NS	NS
Medial-inferior	− 14.49 ± 3.7	− 14.60 ± 5.7	NS	− 14.70 ± 5.5	− 13.66 ± 6.3	NS	NS	NS
Apical-inferior	− 9.93 ± 4.4	− 12.26 ± 6.8	NS	− 9.22 ± 4.3	− 10.18 ± 5.8	NS	NS	NS
Apical-anterior	− 10.22 ± 4.5	− 12.29 ± 8.3	NS	− 8.58 ± 4.7	− 11.42 ± 4.4	< 0.05	NS	NS
Medial-anterior	− 10.87 ± 4.7	− 12.82 ± 9.7	NS	− 12.18 ± 5.5	− 13.48 ± 5.4	NS	NS	NS
Basal-anterior	− 15.13 ± 5.3	− 14.59 ± 11	NS	− 13.65 ± 9.6	− 15.06 ± 6.2	NS	NS	NS
Global	− 10.55 ± 3.5	− 13.11 ± 5	< 0.05	− 12.08 ± 3.8	− 12.47 ± 3.6	NS	NS	NS
Strain in four-chamber view
Basal-septal	− 14.12 ± 3.8	− 15.38 ± 6.7	NS	− 14.03 ± 9.2	− 16.93 ± 4.8	NS	NS	NS
Medial-septal	− 13.75 ± 4.3	− 14.58 ± 5.9	NS	− 11.66 ± 11.2	− 15.97 ± 5,3	< 0.05	NS	NS
Apical-septal	− 12.45 ± 5.7	− 9.40 ± 17.9	NS	− 9.04 ± 6.2	− 14.67 ± 5.7	< 0.05	< 0.05	NS
Apical-lateral	− 12.14 ± 7.2	− 10.31 ± 7	NS	− 7.62 ± 3.9	− 13.62 ± 6.5	< 0.05	< 0.05	< 0.05
Medial-lateral	− 11.14 ± 64.9	− 13.07 ± 7	NS	− 9.31 ± 7.8	− 15.04 ± 6.2	< 0.05	NS	NS
Basal-lateral	− 12.95 ± 6.4	− 15.67 ± 9.4	NS	− 16.06 ± 7	− 17.01 ± 6.1	NS	NS	NS
Global	− 10.77 ± 3.7	− 11.98 ± 5	NS	− 11.04 ± 5	− 13.91 ± 4.2	< 0.05	NS	NS

Statistically significant p values marked in bold