Table 5. The correlation analysis of the biomarkers were depended on Spearman rank correlation analysis (r = correlation coefficient, P value of 0 <0.0001).

	LDH	CRP	Na	Cl	CEA	NSE
LDH	1	0.302	0.006	0.049	0.289	0.295
CRP		1	0.161	0.199	0.093	0.063
Na			1	0.705	0.025	0.054
Cl				1	0.038	0
CEA					1	0.109
NSE						1