Pre- and postoperative left atrial and ventricular volumetric and deformation analyses in severe aortic regurgitation

Table 5 Multiple logistic regression analysis and LRT showing models that best predicted impaired LV functional and structural recovery in patients undergoing surgery for aortic regurgitation

	Model p	Accuracy (%)	Sensitivity (%)	Specificity (%)	R_N²	AUC (95% CI)	LRT p
ESVi	< 0.001	69	59	77	0.28	0.78 (0.66–0.88)
Variable added to ESVi
Age	< 0.001	69	59	77	0.33	0.78 (0.66–0.90)	0.11
LAScd	< 0.001	70	65	74	0.42	0.83 (0.72–0.93)	0.006
LASr	< 0.001	68	61	74	0.33	0.80 (0.69–0.91)	0.10
Stroke work	0.001	68	56	77	0.29	0.77 (0.65–0.89)	0.70

AUC Area under the ROC curve, ESVi End-systolic volume index, LAScd Left atrial strain conduit phase, LASr Left atrial strain reservoir phase, LRT likelihood ratio test, R_N², Nagelkerke R², Zva Valvulo-arterial impedance

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