The Diagnostic and Prognostic Value of Cardiac Magnetic Resonance Strain Analysis in Heart Failure with Preserved Ejection Fraction
Table 3
Statistical analysis of strains in diagnosing HFpEF.
Strain
AUC
Sensitivity
Specificity
Youden index
95% CI
P value
Cutoff criteria
LAGRS
0.6544
0.5208
0.7419
0.2627
0.569–0.740
0.0011
<21.19
LAGLS
0.6352
0.5313
0.6774
0.2087
0.549–0.722
0.0041
>−13.38
RVGRS
0.6458
0.9036
0.3585
0.2621
0.548–0.744
0.0042
<26.89
RVGLS
0.6144
0.9873
0.2264
0.2137
0.514–0.714
0.0262
>−22.43
LVGRS
0.7033
0.5402
0.8393
0.3795
0.620–0.787
<0.0001
<21.33
LVGLS
0.7916
0.5862
0.9286
0.5148
0.720–0.863
<0.0001
>−12.33
LVGCS
0.8054
0.7471
0.7857
0.5328
0.733–0.878
<0.0001
>−15.67
Combination of LV
0.858
0.7126
0.8750
0.5876
0.798–0.919
<0.0001
NA
Abbreviations: HFpEF, heart failure with preserved ejection fraction; AUC, area under curve; CI, confidence interval; GRS, global radial strain; GCS, global circumferential strain; GLS, global longitudinal strain; LA, left atrium; LV, left ventricle; RV, right ventricle.
