Table 2: Univariate analysis of patient’s characteristics for overall survival

No. of patients

Median survival (months)

5-year survival (%)

P

Age at primary (years)

   <50

   >50

 

21

12

 

81.2

30.9

 

73.0

25.0

 

0.1623

Age at LM (years)

   <50

   >50

 

15

18

 

72.8

57.0

 

76.0

38.9

 

0.0986

ER* status

  positive

  negative

 

14

14

 

66.3

40.9

 

65.1

35.7

 

0.3075

PgR† status

  positive

  negative

 

11

16

 

64.8

41.9

 

77.8

31.3

 

0.0937

HER2‡ status

  positive(2+, 3+)

  negative(-, +)

 

7

14

 

67.7

47.9

 

50.0

59.7

 

0.8186

Timing of detection of  BCLM

  synchronus

  metachronous

 

6

27

 

32.6

74.7

 

33.3

58.7

 

0.2302

No. of BCLM

  solitary

  >1

 

13

20

 

77.6

58.0

 

90.9

33.0

 

0.2005

Maximal BCLM size (mm)

  <30

  >30

 

17

16

 

73.8

55.2

 

61.4

45.7

 

0.7731

Extrahepatic metastases

ator before liver surgery

  Yes

  No

 

 

13

20

 

 

41.4

83.5

 

 

27.5

68.0

 

0.0153

 

*estrogen-receptor; †progesterone-receptor; ‡human epidermal growth factor receptor 2