Cluster 514: fasting lipid lowering cholesterol triglycerides exceeded thresholds mmol included case Cluster 1142: mmol potassium serum sodium normalize registration levels despite intervention days Cluster 1853: cholesterol mg triglyceride dl fasting level serum total mmol levels Cluster 2025: triglycerides fasting mg dl hypertriglyceridemia cholesterol uncontrolled equal mmol serum