Table 3

Distribution of metastatic events according to tumor and patient characteristics


Number of events/number of cases
%
P-value*

Age



     ≤ 60 years
14/32
44
0.825
     61–70 years
17/38
45

     > 70 years
27/54
50

Location



     Stomach
32/78
41
0.029
     Small intestine
13/29
45

     Other
13/17
76

Mitotic rate



     < 5 per 50 HPF
12/62
19
< 0.001
     5–10 per 50 HPF
16/27
59

     > 10 per 50 HPF
30/35
86

Size



     < 2 cm
3/20
15
< 0.001
     2–5 cm
8/27
30

     5–10 cm
15/35
43

     > 10 cm
32/42
76

Gender



     Male
26/58
45
0.721
     Female
32/66
48

Symptoms



     Yes
45/93
48
0.678
     No
13/31
42

Tumor risk category



     Very low
2/19
10
< 0.001
     Low
4/19
21

     Intermediate
5/22
23

     High
47/64
73

Condensed risk group#



     LRG
11/60
18
< 0.001
     HRG
47/64
73


*Log-rank test

# LRG, very low, low, and intermediate groups; HRG, high risk group

Mucciarini et al. BMC Cancer 2007 7:230   doi:10.1186/1471-2407-7-230