Indices of diastolic function among four group. A: Left atiral volume index (LAVi) among four groups: in CRF group, LAVi was significantly increased. B: E' among four groups: in HBP, DM and CRF group, E' was significantly decreased. C: E/E' among four groups: in HBP, DM and CRF group, E/E' was significantly increased. CRF: chronic renal failure, HBP: hypertension, DM: diabetes.