The serum albumin (Alb), prealbumin(PA), transferring (TF), lean body mass (LBM), LBM% and the normalized protein equivalent of total nitrogen appearance (nPNA) were examined or calculated.

• 测定或计算营养指标:血白蛋白(Alb)、前白蛋白(PA)和转铁蛋白(TF)、瘦体重(LBM)、瘦体重%25(LBM%25)和标准化的氮出现率相当蛋白(nPNA)。