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. 2012 Jun 19;12:260. doi: 10.1186/1471-2407-12-260

Table 3.

Correlation of tumor subgroups with clinical parameters

Parameter
  
 Cluster-1 (n = 35)
 Cluster-2 (n = 12)
 Cluster-3 (n = 22)
 Cluster-4 (n = 14)
 p-global
Microsatellite instability
 MSS
 33
 11
 21
 9
 0.039LR,a
 
 MSI
 2
 1
 1
 5
  
Histologic subtypes
 Conventional
 34
 12
 21
 8
 0.001LR,b
 
 Mucinous
 1
 0
 1
 6
  
% Stroma content frozen sample
 Mean
 11.2
 18.8
 23.4
 18.9
 <0.001KW,c
 
 SD
 6.0
 10.3
 10.5
 14.8
  
% Stroma Paraffin
 Mean
 12.6
 17.1
 18.9
 16.8
 0.047KW,d
 
 SD
 6.0
 9.9
 8.6
 14.2
  
nuclear β-Catenin (IHC)
 LOW
 21
 9
 11
 12
 0.021LR,e
 
 MEDIUM
 4
 0
 6
 1
  
 
 HIGH
 10
 2
 5
 0
  
BRAF mutations (V600E)
 Mutated
 0
 1
 1
 6
 <0.001LR,f
 
 WT
 35
 11
 21
 8
  
Dukes Stage
 A
 9
 5
 4
 4
 0.646LR
 
 B
 9
 3
 6
 7
  
 
 C
 8
 2
 6
 2
  
  D 9 2 6 1