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Table 1 Clinicopathologic characteristics of patients according to subtypes

From: Favorable response to doxorubicin combination chemotherapy does not yield good clinical outcome in patients with metastatic breast cancer with triple-negative phenotype

 

HR+ (N = 71)

HER2+ (N = 14)

TN (N = 25)

P value

Clinical characteristics at initial diagnosis

Median age

43.8 (30-69)

49.5 (33-65)

47.0 (24-77)

.398 A

Initial stage

I

9 (12.7%)

1 (7.1%)

2 (8.0%)

 

II

23 (32.4%)

4 (28.6%)

11 (44.0%)

 

III

11 (15.5%)

2 (14.3%)

2 (8.0%)

 

IV

25 (35.2%)

6 (42.9%)

9 (36.0%)

.951 B

unknown

3 (4.2%)

1 (7.1%)

1 (4.0%)

 

Familial History

16 (23.5%)

4 (28.6%)

7 (29.2%)

.829 B

DFI after surgery (median)

47.6 months

40.6 months

38.7 months

0.231 by log-rank test

Tumor characteristics

B-R.Gr. III (n = 69)

17 (37.8%)

2 (25.0%)

14 (87.5%)

*.001 B

P53 <5% (n = 93)

32 (55.2%)

7 (50.0%)

9 (42.9%)

.621 B

Ki 67 >50% (n = 25)

5 (31.3%)

0 (0%)

6 (85.7%)

*.013 B

Previous (neoadjuvant or adjuvant) treatments

Curative surgery.

45 (63.4%)

8 (57.1%)

15 (60.0%)

.888 B

Neoadju-CTx

3 (4.2%)

0 (0%)

1 (4.0%)

.573 B

Adjuvant CTx

35 (49.3%)

7 (50.0%)

12 (48.0%)

.991 B

Adjuvant doxorubicin

6 (17.1%)

1 (14.3%)

0 (0%)

.048 B

Adjuvant HormoTx

43 (60.6%)

0

0

< 0.0001 B

Distant Metastases

Lung

49 (74.2%)

11 (84.6%)

15 (62.5%)

0.316

Pleura

41 (57.8%)

8 (57.4%)

10 (45.5%)

0.216

Liver

33 (52.4%)

11 (84.6%)

10 (45.5%)

0.046

Brain

11 (17.7%)

3 (23.1%)

6 (27.3%)

0.629

Bone

36 (50.7%)

8 (57.1%)

10 (40.0%)

0.283

Skin

14 (19.7%)

1 (7.1%)

9 (36%)

0.081

Soft tissue

22 (31.0%)

1 (7.1%)

6 (24.0%)

0.120

Next treatment after AC chemotherapy

Median number of CTx (range)

3 (0-11)

2 (0-8)

1 (0-7)

0.006

Number of patients with HormoTx (%)

17 (24%)

0

0

0.001

Number of patients with trastuzumab Tx (%)

5 (7.0%)

4 (28.6%)

0

0.009

  1. DFI, disease free interval; CTx, chemotherapy; HormoTx, hormonal therapy; Tx, treatment
  2. AContinuous variables; One way ANOVA
  3. BCategorical variables; Pearson's chi-square test