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. 2014 Jul 8;111(4):756–762. doi: 10.1038/bjc.2014.376

Table 1. Association between p-PP2A and clinical and genetic parameters in 250 patients with metastatic CRC.

  No. of cases No. p-PP2A− (%) No. p-PP2A+ (%) P
p-PP2A
250
207 (82.8)
43 (17.2)
 
Sex
250
207
43
0.018
 Male
156
136 (87.2)
20 (12.8)
 
 Female
94
71 (75.5)
23 (24.5)
 
Age
232
190
42
0.306
 <70
116
98 (84.5)
18 (15.5)
 
 ⩾70
116
92 (79.3)
24 (20.7)
 
ECOG
224
184
40
0.001
 0–2
182
157 (84.5)
25 (15.5)
 
 3–4
42
27 (64.3)
15 (35.7)
 
Site of primary tumour
250
207
43
0.552
 Cecum
24
17 (84.5)
7 (15.5)
 
 Right colon
37
31 (79.3)
6 (20.7)
 
 Transverse colon
10
7 (70)
3 (30)
 
 Left colon
21
18 (85.7)
3 (14.3)
 
 Sigma
73
61 (83.6)
12 (16.4)
 
 Rectum
85
73 (85.9)
12 (14.1)
 
Synchronous metastasis
244
201
43
0.035
 No
85
76 (89.4)
9 (10.6)
 
 Yes
159
125 (78.6)
34 (21.4)
 
Number of metastatic sites
250
207
43
0.620
 1–2
226
188 (83.2)
38 (16.8)
 
 >2
24
19 (79.2)
5 (20.8)
 
Liver metastasis
244
201
43
0.294
 No
79
68 (86.1)
11 (13.9)
 
 Yes
165
133 (80.6)
32 (19.4)
 
Lung metastasis
244
201
43
0.323
 No
166
134 (80.7)
32 (19.3)
 
 Yes
78
67 (85.9)
11 (14.1)
 
Lymph metastasis
244
201
43
0.409
 No
177
148 (83.6)
29 (16.4)
 
 Yes
67
53 (79.1)
14 (20.9)
 
Peritoneal metastasis
244
201
43
0.846
 No
196
161 (82.1)
35 (17.9)
 
 Yes
48
40 (83.3)
8 (16.7)
 
MSI
240
189
41
0.774
 No
226
187 (82.7)
39 (17.3)
 
 Yes
14
12 (85.7)
2 (14.3)
 
KRAS mutations
246
203
43
0.873
 No
140
116 (82.9)
24 (17.1)
 
 Yes 106 87 (72.1) 19 (17.9)  

Abbreviations: ECOG=Eastern Cooperative Oncology Group; MSI=magnetic source imaging; p-PP2A=protein phosphatase 2A. P values in bold font indicate differences statistically significant.