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Table 2 Relapse-free survival (RFS) in 97 patients with complete resection of the primary tumor

From: Incidence and clinicopathologic features of gastrointestinal stromal tumors. A population-based study

 

Number

5-year DFS (%)

P-value*

Age

   

   ≤ 60 years

26

66

0.953

   61–70 years

33

72

 

   > 70 years

38

67

 

Tumor location

   

   Stomach/small intestine

72

73

0.002

   Other

25

36

 

Mitotic count

   

   < 5 per 50 HPF

56

89

< 0.001

   5–10 per 50 HPF

24

80

 

   > 10 per 50 HPF

17

16

 

Size

   

   < 2 cm

17

100

< 0.001

   2–5 cm

21

90

 

   5–10 cm

27

67

 

   > 10 cm

32

39

 

Gender

   

   Male

53

75

0.420

   Female

44

63

 

Symptoms

   

   Yes

33

73

0.348

   No

64

52

 

Tumor risk category

   

   Very low

18

94

< 0.001

   Low

16

94

 

   Intermediate

17

100

 

   High

46

40

 

Condensed risk group#

   

   LRG

51

95

< 0.001

   HRG

46

40

 
  1. *Fisher's exact test
  2. #LRG, very low, low, and intermediate groups; HRG, high risk group
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BMC Cancer

ISSN: 1471-2407

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