Diagnostic value of multiple b-value diffusion-weighted imaging in discriminating the malignant from benign breast lesions

Table 3 Mean difference of patients with benign and malignant breast tumor respectively

Variables	Mean ± SD		Mean Difference	P value
Variables	Malig = 0 (n = 41)	Malig = 1 (n = 38)	Mean Difference	P value
ADC_avg	0.0016 ± 0.0003	0.0013 ± 0.0005	0.0004	0.0000
ADC_min	0.0013 ± 0.0004	0.0011 ± 0.0014	0.0002	0.4140
ADC_max	0.0019 ± 0.0003	0.0015 ± 0.0003	0.0003	0.0000
ADC_slow	0.0012 ± 0.0014	0.0008 ± 0.0007	0.0003	0.1830
ADC_fast	0.0133 ± 0.0158	0.0428 ± 0.0741	-0.0294	0.0150
DDC	0.0016 ± 0.0006	0.0019 ± 0.0027	-0.0003	0.4650
f	0.5964 ± 0.1382	0.4948 ± 0.1744	0.0994	0.0060
α	0.7317 ± 0.1875	0.6497 ± 0.1767	0.0820	0.0490
ADC_AQP	0.3636 ± 0.2175	0.3699 ± 0.1139	-0.0063	0.0874

“0” represents benign group; “1”represents malignant group; SD Standard differences. Comparisons were performed by independent t test

ISSN: 1471-2342