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Table 5 Comparison of outcomes and administered regimens for long-term survivors (≥60 months) and non-long-term survivors

From: Factors responsible for long-term survival in metastatic breast cancer

 

All patients

Patients with OS >60 months

Patients with OS <60 months

P value

ORR (%)*

44.9

88.2

20

<0.00003

CBR (%)*

60

100

40

<0.00003

TTF*

10

26

5

0

TTP*

18

34

5

0

OS*

38

68

17

<0.000002

OS from diagnosis of MBC

52

113

20

<0.000001

Number of CT regimens*

1 (0-3)

1 (0-3)

1 (0-3)

0.97

Number of CT regimens for BC

3 (1-7)

5 (1-7)

4 (1-6)

0.34

Number of CT regimens for MBC

3 (1-7)

4 (1-7)

3 (1-5)

0.17

  1. *Responses, outcomes or chemotherapy regimens after the most effective regimen. BC, breast cancer; CBR, clinical benefit rate; CT, computed tomography; MBC, metastatic breast cancer; ORR, overall response rate; OS, overall survival; TTF, time to treatment failure; TTP, time to progression.