Table 1:

Follow-up on changes of serum creatinine, urea nitrogen, hemoglobin and albumin

Group	Creatinine (μmol/L)	Urea nitrogen (mmol/L)	Hemoglobin (g/L)	Albumin (g/L)
Control group	526.3±76.9	8.5±2.4±2.4	82.4±6.5	28.2±3.3
Observation group	421.7±54.2	6.3±2.7±2.3	93.3±6.6	35.1±3.5
t	6.957	5.438	5.827	6.102
P	0.007	0.013	0.010	0.009