Skip to main content

Table 3 Univariate and multivariate analysis for overall survival in 47 patients undergoing surgical resection for T1b gallbladder cancer

From: Long-term outcomes of surgical resection for T1b gallbladder cancer: an institutional evaluation

Variable

Modality

No. of patients

Overall survival rate (%)

Univariate analysis P value

Multivariate analysis

5-year

10-year

Hazard ratio (95% CI)

P value

Age

≤ 70 years

17

94

94

0.005

1.000

 

>  70 years

30

72

45

 

5.285 (1.751–15.953)

0.003

Gender

Male

16

71

41

0.017

1.000

 

Female

31

86

76

 

0.272 (0.107–0.695)

0.007

Surgical procedure

Simple cholecystectomy

29

84

66

0.618

  

Radical resection

18

78

64

   

Surgical approach

Open

39

80

65

0.139

  

Laparoscopic

8

86

64

   

Size of primary tumor

≤ 60 mm

30

81

69

0.690

  

>  60 mm

17

81

59

   

Macroscopic type

Protruding

23

74

60

0.743

  

Superficial

24

87

68

   

Histological grade

G1

34

87

78

0.032

  

G2 + G3

13

65

33

   
  1. T1b Tumor invades the muscular layer, CI Confidence interval, G1 Well differentiated, G2 Moderately differentiated, G3 Poorly differentiated