Variables

NAC invasion

Test

p-value

(Sig.)

Absent

(N = 50)

Present

(N = 20)

Distance from mass to nipple

Mean ± SD

7.24 ± 2.73

3.15 ± 2.80

−5.320•

<0.001

(HS)

Median (Range)

6 (4.50 - 16)

2.75 (0 - 12)

Depth of the mass

Superficial

33

66%

14

70%

0.104^‡

0.748

(NS)

Deep

17

34%

6

30%