Table 2 Patient demographics and tumor characteristics for DCIS and invasive disease

Patients

40

18

162

76

Months Follow-up

69.4

72.7

0.502

62.9

62.1

0.543

(Range)

(13.7-92.6)

(24.6-87.6)

(2.2-96.6)

(4.4-98.4)

Median Age

59.2

56.5

0.752

61.4

58.1

0.079

(Range)

(40.3-82.4)

(41.4-84.2)

(34.7-84.3)

(33.0-84.7)

Race

0.018

< 0.001

Caucasian

31 (77.5%)

10 (55.6%)

138 (85.2%)

44 (57.9%)

Black

9 (22.5%)

8 (44.4%)

22 (13.6%)

32 (42.1%)

Other

0 (0%)

0 (0%)

2 (1.2%)

0 (0.0%)

Anatomy

Side

0.776

1.000

Right

17 (42.5%)

9 (50.0%)

80 (49.4%)

38 (50.0%)

Left

23 (57.5%)

9 (50.0%)

82 (50.6%)

38 (50.0%)

Quadrant

0.049

< 0.001

UOQ

18 (45.0%)

14 (77.8%)

70 (43.2%)

50 (65.8%)

UIQ

7 (17.5%)

3 (16.7%)

46 (28.4%)

14 (18.4%)

LIQ

6 (15.0%)

1 (5.6%)

23 (14.2%)

4 (5.3%)

LOQ

9 (22.5%)

0 (0%)

23 (14.2%)

8 (10.5%)

Estrogen Receptor

0.548

0.256

ER +

28 (70.0%)

12 (66.7%)

139 (85.8%)

59 (77.6%)

ER -

3 (7.5%)

0 (0%)

23 (14.2%)

15 (19.7%)

ER Unknown

9 (22.5%)

6 (33.3%)

0 (0%)

2 (2.6%)

Progesterone Receptor

0.727

0.369

PR +

21 (52.5%)

9 (50.0%)

113 (69.8%)

49 (64.5%)

PR -

10 (25.0%)

3 (16.7%)

49 (30.2%)

27 (35.5%)

PR Unknown

9 (22.5%)

6 (33.3%)

0 (0%)

2 (2.6%)

LCIS

0.084

Present

1 (2.5%)

3 (16.7%)

14 (8.6%)

14 (18.4%)

0.050

Absent

39 (97.5%)

15 (83.3%)

148 (91.4%)

62 (81.6%)