azotemic

Results ( 1) In azotemic stage, the leptin levels are lower than in renal failure stage and end-stage renal failure, but there was no significant difference in statistics ( P> 0.05).

结果（1）氮质血症期血清瘦素水平低于肾衰竭期和尿毒症期，但无统计学差异（P>0.05）；

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Methods 56 patients with chronic renal failure were classified into three groups ( azotemic stage, renal failure stage, urinaemia stage).

方法将56例慢性肾功能衰竭患者分为三组：氮质血症期组；肾衰竭期组；

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Methods: 51 chronic renal failure patients in azotemic stage were divided into three groups randomly: ⅰ group 17 patients were treated by Ai Xi Te and routine methods;

方法：51例CRF氮质血症病人随机分成三组：Ⅰ组（爱西特治疗组）17例，常规加服爱西特治疗；

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