Characteristics of eligible studies for meta-analysis.

A, late diastolic mitral inflow velocity; Am, Late diastolic mitral annular motion velocity; AMR, antibody mediated rejection; Double, Echo blind to EMB and EMB blind to Echo; E, early diastolic mitral inflow velocity; Em, early diastolic mitral annular motion velocity; IMP, index of myocardial performance; Interval, interval between Echo and EMB; IVRMVG, Peak late isovolumic relaxation myocardial velocity gradient; IVRT, isovolumic relaxation time; LVPW, left ventricular posterior wall; LVMI, LV mass index; Lat-S, LV lateral peak systolic strain; P, Prospective; PWED 2D-IB, Posterior wall End-diastolic 2 dimension-Intergrated backscatter; PHT, pressure half time; PFR, left ventricular peak filling rate; PWT, LV posterior wall thickness; R, retrospective; Single, Echo blind to EMB or EMB blind to Echo; Sep-TS, septum time to systole; Sm, systolic mitral annular motion velocity; Te, time interval between maximal posterior wall contraction and the point of peak posterior wall endocardium retraction velocity; Tmsv 16-SD, standard deviation of time to minimum systolic volume of ventricular segment of 16 segments.a, cutoff value corresponding to different rejection grade.b, cutoff value corresponding to different parameters.Characteristics of eligible studies for meta-analysis.