tokens: Cardiac damage was defined by the presence of electrocardiographic left ventricular hypertrophy ( ECG - LVH ) , and renal damage by a calculated glomerular filtration rate ( GFR ) of < 60 ml / min/1.73 m2 , and/or the presence of an albumin / creatinine ratio > or = 30 mg / g ; or an urinary albumin excretion ( UAE ) > or = 30 mg/24 hours .