A New Approach Is Needed to Evaluate 24‐Hour Urinary Sodium Excretion Using Spot Urines: A Validation Study in a Chinese Child Population

Background Accurate assessments of sodium intake in children are important for the early prevention of cardiovascular disease. There is currently no accurate simple and feasible sodium intake approach for children. This study intends to validate the accuracy of 24‐hour urinary sodium excretion ( UN aV) estimation in children using 3 common formulas: the Kawasaki, INTERSALT (International Cooperative Study on Salt, Other Factors, and Blood...