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논문분류	춘계학술대회 초록집
제목	The characteristics of dietary intake according to chronic kidney disease stage in Korea: the Korean National Health and Nutritional Examination Survey
저자	Seon Mi Kim, Min-ho Kim, Hyung Jung Oh, Dong-Ryeol Ryu
출판정보	2019; 2019(1):
키워드	CKD \| Dietary intake \| KNHANES
초록	Although appropriate dietary adjustment in chronic kidney disease (CKD) patients is important, and the nutritional guideline recommends different dietary management according to CKD stage, there is no study, to our knowledge, for the characteristics of dietary intake according to CKD stage. A cross sectional study was conducted to reveal the characteristics of dietary intake (intakes of energy, protein, and minerals) among the CKD patients using Korean national health and nutritional examination survey (KNHANES) between 2005 and 2017. According to estimated glomerular filtration rate (eGFR), we stratified these patients into three groups [CKD G3a; 45≤eGFR<60, CKD G3b; 30≤eGFR<45, and CKD G4-G5; eGFR<30mL/min/1.73m2], and investigated the amount of each nutritional intake. Of the total 3,423 CKD patients, 2,880 patients (84.14%) were diagnosed of CKD G3a, and 393 patients (11.48%) were in CKD G3b, only 150 patients (4.38%) were suffering from CKD G4 and G5. However, nutritional educations were performed in 173 patients in the CKD G3a (6.02%), 33 patients in the CKD G3b (8.42%), and 25 patients in the CKD G4-G5 (16.67%). When we investigated the characteristics of dietary intake according to CKD stage, we found that intakes of energy, protein, carbohydrates, calcium, phosphorus, sodium and potassium were decreased significantly in advanced CKD patients (G4-G5) compared with early CKD patients (G3a or b). However, the amount of energy intake was lower in all the CKD patients compared to the KDIGO guideline, while the amount of protein and sodium intakes was higher in all CKD patients compared with the guideline. This analysis showed that nutritional education was conducted less than 20% CKD patients. Moreover, energy intake was lower, but protein and sodium intakes were higher than KDIGO guideline. In the future, the effect of the unbalanced nutritional support on the adverse clinical outcomes needs to be investigated.
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