Variable

Lumpectomy Alone

n = 4768

Local Therapy

n = 15446

Systemic Therapy

n = 14230

p-value

Age at diagnosis

Mean

63.7

60.03

57.8

< 0.001

Median

64

60

58

Std Dev

13.25

11.77

10.35

Age (quartile)

> = 23, < = 51

1003 (21.04)

4083 (26.43)

4342 (30.51)

< 0.001

> 51 < = 59

880 (18.46)

3456 (22.37)

3723 (26.16)

> 59, < = 68

1045 (21.92)

3986 (25.81)

3863 (27.15)

> 68, < = 90

1840 (38.59)

3921 (25.39)

2302 (16.18)

Race

White

3930 (82.42)

12852 (83.21)

11602 (81.53)

0.002

Black

576 (12.08)

1804 (11.68)

1869 (13.13)

Other/Unknown

262 (5.49)

790 (5.11)

759 (5.33)

Carlson-Deyo Score

0

4132 (86.66)

13197 (85.44)

12418 (87.27)

< 0.001

1

523 (10.97)

1901 (12.31)

1551 (10.9)

2+

113 (2.37)

348 (2.25)

261 (1.83)

Facility Type

Commun. Cancer Program/Other

431 (9.22)

1234 (8.2)

1506 (10.77)

< 0.001

Comp Commun Cancer Program

2396 (51.24)

7559 (50.21)

7006 (50.08)

Academic/Research Program

1228 (51.24)

4216 (28.01)

3599 (25.73)

Integrated Network Cancer Program

621 (13.28)

2045 (13.58)

1878 (13.42)

Primary Payor

Not Insured/Unknown

141 (2.96)

392 (2.54)

381 (2.68)

<0.001

Private

2367 (49.64)

9087 (58.83)

9303 (65.38)

Medicaid/Other Government

208 (4.36)

739 (4.91)

855 (6.01)

Medicare

2052 (43.04)

5208 (33.72)

3691 (25.94)

Year of Diagnosis

> = 2004, < = 2008

1603 (33.62)

5078 (32.88)

4346 (30.54)

< 0.001

> 2008, < = 2010

1508 (31.63)

5199 (33.66)

4613 (32.42)

> 2010, < = 2012

813 (17.05)

2609 (16.89)

2599 (18.26)

> 2012, < = 2013

844 (17.7)

2560 (16.57)

2672 (18.78)

Histology

Ductal

3696 (77.52)

11163 (72.27)

10499 (73.78)

< 0.001

Comedocarcinoma

593 (12.44)

3108 (20.12)

2429 (17.07)

Papillary

238 (4.99)

390 (2.52)

454 (3.19)

Ductal + lobular

241 (5.05)

785 (5.08)

848 (5.96)

Hormonal Receptor Status

ER/PR -

723 (15.16)

4,648 (30.09)

412 (2.9)

< 0.001

ER/PR +

4,045 (84.84)

10,798 (69.91)

13,818 (97.1)

HER2

Negative

302 (6.33)

882 (5.71)

1,113 (7.96)

< 0.001

Positive

113 (2.73)

670 (4.34)

475 (3.34)

Unknown

4,353 (91.3)

13,894 (89.95)

12,622 (88.7)

Grade

Well Differentiated

776 (16.28)

1202 (7.78)

1519 (10.67)

< 0.001

Moderately Differentiated

1505 (31.56)

3866 (25.03)

4499 (31.62)

Poorly Differentiated

1395 (29.26)

7247 (46.92)

5363 (37.69)

Cell Type Not Determined

1092 (22.9)

3131 (20.27)

2849 (20.02)

Tumor Size (cm)

Mean

1.34

1.79

1.42

< 0.001

Median

0.8

1.2

1

Std. Dev

3.48

2.89

2.32

Tumor Size (quartile) (cm)

> = 0.1, < = 0.5

1257 (26.36)

2790 (18.06)

3097 (21.76)

< 0.001

> 0.5, < = 1

820 (17.2)

2537 (16.42)

2600 (18.27)

> 1, < = 1.9

660 (13.84)

2724 (17.64)

2311 (16.24)

> 1.9, < = 9.8

650 (13.63)

3323 (2.51)

2245 (15.78)

 Unknown

1381 (28.96)

4072 (26.36)

397 (27.95)