Assessment of left atrial function by two-dimensional speckle tracking echocardiography in patients with metabolic-associated fatty liver disease

The Egyptian Heart Journal

Table 6 LA strain and stiffness as predictors of subclinical LV diastolic dysfunction

	AUC	95% CI	p value#	Cut-off	Sens. (%)	Spec. (%)	PPV (%)	NPV (%)
LA strain S-R(AVG)	0.866 d	0.789 to 0.943	< 0.001*	≤ 25	85.7	85.0	30.0	98.7
LA strain S-CD (AVG)	0.899 c,d	0.859 to 0.940	< 0.001*	> − 14	85.7	86.0	31.6	98.8
LA S-CT (AVG)	0.813 b	0.750 to 0.875	< 0.001*	> − 13	100.00	57.0	14.9	100.0
LA stiffness Index	0.806 a,b	0.705 to 0.906	< 0.001*	> 0.39	85.71	84.95	30.0	98.7

AUC, Area under ROC curve; CI, Confidence interval; #, p value from a test comparing AUC to the null hypothesis AUC of 0.5; Sens, Sensitivity; Spec., Specificity; PPV, Positive predictive value; NPV, Negative predictive value; S-R, Strain reservoir; S-CD, Strain conduit; S-CT, Strain contractile; AVG, Average
*Significant at p < 0.05; a, Significant difference from LA strain S-R (AVG); b, Significant difference from LA strain S-CD (AVG); c, Significant difference from LA S-CT (AVG); d, Significant difference from LA stiffness