Table 1.

Changes in blood biochemical indexes

Code	Indexes	Preoperative results	Postoperative results	Units
1	K+	4.50	3.96	mmol/L
2	Na+	144.63	143.22	mmol/L
3	Cl-	103.17	103.78	mmol/L
4	Ca2+	2.27	2.17	mmol/L
5	Mg2+	0.81	0.91	mmol/L
6	Urea	3.77	4.97	mmol/L
7	Cr	65.00	61.00	μmol/L
8	ALT	24.80	23.80	U/L
9	GLU	5.49	4.37	μmol/L
10	AST/ALT	0.61	0.65	-