Table 1 Patients characteristics by gender after propensity score matching.

From: Survival Comparisons Between Early Male and Female Breast Cancer Patients

Characteristic

No. of Patients (%)

P

MBC (1,111)

FBC (2,151)

Year of diagnosis

1998–2000

186 (16.7)

345 (16.0)

0.753

2001–2003

332 (29.9)

629 (29.2)

 

2004–2007

593 (53.4)

1,177 (54.7)

 

Age, years

<40

25 (2.3)

40 (1.9)

0.985

40–49

116 (10.4)

225 (10.5)

 

50–59

260 (23.4)

512 (23.8)

 

60–69

302 (27.2)

590 (27.4)

 

70–79

244 (22.0)

466 (21.7)

 

>80

164 (14.8)

318 (14.8)

 

Race/ethnic

White

953 (85.8)

1,867 (86.8)

0.419

Black

103 (9.3)

171 (7.9)

 

Othera

55 (5.0)

113 (5.3)

 

Marital status

Single

292 (26.3)

554 (25.8)

0.745

Married

819 (73.7)

1,597 (74.2)

 

AJCC T stage

T1mic

35 (3.2)

58 (2.7)

0.965

T1a

34 (3.1)

66 (3.1)

 

T1b

104 (9.4)

206 (9.6)

 

T1c

467 (42.0)

903 (42.0)

 

T2

471 (42.4)

918 (42.7)

 

AJCC N stage

N0

661 (59.5)

1,295 (60.2)

0.881

N1

366 (32.9)

690 (32.1)

 

N2

84 (7.6)

166 (7.7)

 

Histological

Ductal

943 (84.9)

1,536 (71.4)

<0.001

Lobular

7 (0.6)

213 (9.9)

 

Other

161 (14.5)

402 (18.7)

 

Grade

I

171 (15.4)

316 (14.7)

0.833

II

569 (51.2)

1,121 (52.1)

 

III

371 (33.4)

714 (33.2)

 

ER

Negative

49 (4.4)

110 (5.1)

0.377

Positive

1,062 (95.6)

2,041 (94.9)

 

PR

Negative

171 (15.4)

330 (15.3)

0.970

Positive

940 (84.6)

1821 (84.7)

 

Chemotherapy

No

684 (61.6)

1,318 (61.3)

0.871

Yes

427 (38.4)

883 (38.7)

 

Radiotherapy

No

846 (76.1)

1,642 (76.3)

0.904

Yes

265 (23.9)

509 (23.7)

 

Surgery

No

8 (0.7)

8 (0.4)

0.370

BCS

129 (11.6)

261 (12.1)

 

Mastectomy

974 (87.7)

1,882 (87.5)

 
  1. aAmerican Indian/AK Native, Asian/Pacific Islander.
  2. Abbreviations: MBC, male breast cancer; FBC, female breast cancer; AJCC, American Joint Committee on Cancer system; ER, estrogen-receptor; PR, progesterone receptor; BCS, breast conserving surgery.