Table 1.

MRI BI-RADS classification, number of voxels and the mean and standard deviation (SD) of the highest Cho concentration in benign and malignant breast lesions

MRI BI-RADS classification (number of benign + malignant lesions)	Number of voxels (range)	Highest Cho concentration (mM) (mean ± SD)
		All	Benign	Malignant	P value
5 BI-RADS 2 lesions (5 + 0)	2–6	1.16 ± 0.43	1.16 ± 0.43
8 BI-RADS 3 lesions (6 + 2)	2–6	1.43 ± 0.47	1.22 ± 0.26	2.05 ± 0.35	0.01
5 BI-RADS 4 lesions (0 + 5)	2–7	2.98 ± 2.15		2.98 ± 2.15
8 BI-RADS 5 lesions (0 + 8)	3–14	4.94 ± 3.10		4.94 ± 3.10
Total		1.19 ± 0.33		4.03 ± 2.72	0.01