TABLE 2.

Correlation analysis of absolute choline and citrate tissue levels to the CSC/C signal ratio in tumor and benign regions in all patients (P1‐P8)

Patient	Tumor		Benign
	Pearson correlation coefficient	Spearman correlation coefficient	Pearson correlation coefficient	Spearman correlation coefficient
	Cho to CSC/C	Cit to CSC/C	Cho to CSC/C	Cit to CSC/C
P1	0.78	−0.56	0.21	−0.59
P2	0.74	−0.61	0.23	−0.6
P3	0.77	−0.46	0.29	−0.54
P4	0.79	−0.67	0.2	−0.47
P5	0.94	−0.63	0.27	−0.58
P6	0.65	−0.48	0.22	−0.61
P7	0.76	−0.51	0.16	−0.56
P8	0.81	−0.61	0.11	−0.57
Mean ± SD	0.78 ± 0.1	−0.57 ± 0.08	0.21 ± 0.06	−0.57 ± 0.05

Pearson correlation coefficients and Spearman’s rank correlation coefficients are calculated for choline (Cho) to CSC/C and citrate (Cit) to CSC/C ratio, respectively.