| 摘要 |
A daily urinary excretion measurement apparatus and a method thereof, for measuring daily excretion of a urine component highly accurately and easily, are provided. A daily urinary excretion measurement apparatus (100) includes: a urine component calculation unit (411) which measures the amount of the urine component included in before-bedtime urine that is excreted for the last time before bedtime in the day and the amount (salt) of the urine component (salt) included in overnight urine that is excreted for the first time after wake-up on the next day following a sleep; a regression equation storage unit (416) which stores a correlation (a regression equation) between the amount of the before-bedtime urine component and the amount of the overnight urine component and a total amount of the urine component included in daily urine; a daily urinary excretion calculation unit (413) which calculates the total amount of the urine component excreted in the daily urine according to the regression equation stored in the regression equation storage unit (416), using the amount of the before-bedtime urine component (salt) and the amount of the overnight urine component (salt) calculated by the urine component calculation unit (411).
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