Evaluation of functional magnetic resonance APT and DKI imaging for breast cancer

Table 3 Comparison of parameters among prognostic factors of breast cancer

Factors	Number of patients	Kapp	P value	Dapp	P value	MTRasym	P value	ADC	P value
ER			0.005		0.0038		0.8770		0.0015
positive	80	0.97 ± 0.33		1.06 ± 0.47		2.77 ± 1.27		0.75 ± 0.16
negative	33	0.80 ± 0.21		1.36 ± 0.57		2.81 ± 1.18		0.90 ± 0.34
PR			0.0137		0.0361		0.9912		0.0060
positive	76	0.97 ± 0.33		1.08 ± 0.49		2.78 ± 1.27		0.75 ± 0.18
negative	37	0.82 ± 0.23		1.29 ± 0.56		2.78 ± 1.18		0.88 ± 0.32
HER-2			0.0801		0.2400		0.0251		0.0545
positive	23	0.82 ± 0.18		1.26 ± 0.38		2.27 ± 1.10		0.88 ± 0.22
negative	90	0.95 ± 0.33		1.12 ± 0.55		2.91 ± 1.24		0.77 ± 0.24
Ki-67			0.5422		0.4192		0.3236		0.1672
positive	92	0.93 ± 0.25		1.13 ± 0.51		2.72 ± 1.15		0.78 ± 0.24
negative	21	0.87 ± 0.49		1.23 ± 0.55		3.02 ± 1.57		0.86 ± 0.23
Lymph node status			0.0470		0.6695		0.6269		0.1593
positive	74	0.97 ± 0.32		1.13 ± 0.54		2.80 ± 1.28		0.77 ± 0.25
negative	37	0.84 ± 0.28		1.12 ± 0.50		2.68 ± 1.12		0.84 ± 0.22
Tumor diameter			0.0537		0.6389		0.6530		0.5961
≥ 2 cm	96	0.95 ± 0.30		1.16 ± 0.52		2.80 ± 1.20		0.80 ± 0.25
<2 cm	17	0.79 ± 0.31		1.09 ± 0.51		2.65 ± 1.50		0.76 ± 0.18

Note ADC, apparent diffusion coefficient; Dapp, apparent diffusivity; ER, estrogen receptor; HER-2, human epidermal growth factor receptor-2; Kapp, apparent kurtosis coefficient; MTRasym (3.5 ppm), asymmetric magnetization transfer ratio at 3.5 ppm; PR, progesterone receptor

ISSN: 1475-2867