Table 3 Multinomial regression analysis of MRI features associated with the immunophenotypes of NST invasive breast carcinomas, with the triple-negative phenotype as the reference.

Mass—shape

 Oval/round

0.31

(0.13–0.73)

p = 0.007

0.42

(0.23–0.76)

p = 0.004

0.95

(0.38–2.41)

p = 0.917

0.32

(0.15–0.71)

p = 0.005

 Irregular

Ref

Ref

Ref

Ref

Mass—margins

 Circumscribed

0.24

(0.05–1.15)

p = 0.075

0.11

(0.03–0.47)

p = 0.003

0.50

(0.06–4.09)

p = 0.518

0.21

(0.04–1.24)

p = 0.086

 Irregular

0.07

(0.02–0.23)

p < 0.001

0.14

(0.05–0.37)

p < 0.001

0.46

(0.11–1.88)

p = 0.278

0.24

(0.08–0.73)

p = 0.012

 Spiculated

Ref

Ref

Ref

Ref

Mass—enhancement

 Homogeneous

32.00

(3.78–270.85)

p = 0.001

8.50

(1.68–42.98)

p = 0.010

2.29

(0.27–19.66)

p = 0.451

5.33

(0.53–54.03)

p = 0.157

 Heterogeneous

5.82

(1.25–27.11)

p = 0.025

2.98

(1.38–6.45)

p = 0.006

0.83

(0.30–2.39)

p = 0.732

5.70

(1.55–20.90)

p = 0.009

 Rim

Ref

Ref

Ref

Ref

Mass—late kinetic curve

 Persistent (type I)

14.04

(4.19–47.09)

p < 0.001

2.47

(1.12–5.45)

p = 0.026

1.56

(0.40–6.03)

p = 0.519

1.40

(0.50–3.94)

p = 0.519

 Plateau (type II)

11.40

(3.55–36.66)

p < 0.001

2.34

(1.14–4.82)

p = 0.021

3.30

(1.14–9.54)

p = 0.028

2.16

(0.90–5.17)

p = 0.084

 Washout (type III)

Ref

Ref

Ref

Ref

Lesion presentation

0.78

 Unifocal mass

(0.37–1.67)

p = 0.529

Ref

0.52

(0.29–0.92)

p = 0.026

1.18

(0.44–3.11)

p = 0.744

0.46

(0.23–0.93)

p = 0.031

 Multifocal mass/NME

Ref

Ref

Ref