Fig. 1.

Schematic of systematic process used for identification of eligible studies. Flow diagram of identified records and the filtration process of article inclusion and exclusion. A late diastolic mitral inflow velocity, a′ late diastolic tissue velocity, CVD cardiovascular disease, E early diastolic mitral inflow velocity, e′ early diastolic tissue velocity, e′/a′ ratio of early to late diastolic tissue velocity, E/A ratio of early to late mitral inflow velocity, E/e′ ratio of early diastolic mitral inflow velocity to early diastolic tissue velocity, EF ejection fraction, FS fractional shortening, GLS global longitudinal strain, IVS interventricular septal, LAD left atrial diameter, LVEDD left ventricular end-diastolic diameter, LVEDV left ventricular end-diastolic volume, LVM left ventricular mass, LVMi left ventricular mass index, PWT posterior wall thickness, RVEDD right ventricular end-diastolic diameter, RWT relative wall thickness, s′ systolic tissue velocity, SV stroke volume