尿肌酐增高的原因：可见于肢端肥大症、巨人症、糖尿病、感染、甲状腺功能减低、进食肉类、运动、摄入药物（如维生素C、左旋多巴、甲基多巴等）。在生活中要预防感冒，控制饮食及情绪、不要劳累、控制血压、血糖等因素，保护好肾功能。只要注意到这些，尿肌酐就会慢慢降下来。
每份尿样同时作尿肌酐浓度的测定。
The concentrations of creatinine in every urine sample were measured in the meantime.
尿肌酐值与上臂肌肉直径和面积高度相关。
There are significant correlations between urinary creatinine values and arm muscle diameter and arm muscle area.
结果表明，两段尿测定法与一段尿法均能比较客观代表全日尿肌酐量。
Theresults show that the measuring methods of two-period urine and one-period urine can objectively be adopted.
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