Change in the salt intake and 24HUNa.

Note: aPlease refer to “Salt intake tracking” for the calculation method of salt intake. The data on salt intake refers to the average daily salt intake in a period of time, not including the condiments that are high in salt, such as soy sauce, monosodium glutamate, salted vegetable, etc.bPlease refer to “Urine collection and determination of sodium excretion” for the calculation method of 24HUNa. The data on 24HUNa refers to the 24HUNa on the day when the urine was collected, not the average 24HUNa in a period of time.