Table 2

Patients characteristics
Patients (n) Percentage
Sex Men 43 48.9%
Women 45 51.1%
Age (years) Mean (min-max) 70.9 (25–93)
RIN Mean (min-max) 8.9 (7.5-10)
Duke's Stage A 24 27.27%
B 26 29.55%
C 19 21.59%
D 19 21.59%
MSS/MSI MSS 79 89.8%
MSI 9 10.2%
Location Ascending C. 33 37.5%
Sigmoid 32 36.4%
Rectum 14 15.9%
Descending C. 3 3.4%
Transverse C. 6 6.8%
Mut. PI3K Exon 9 12 13.6%
Exon 20 8 9.1%
Wild Type 68 77.3%
Mut. B-Raf Mutated 8 9.1%
Wild Type 80 90.9%
Mut. K-ras Codon 12 28 31.8%
Codon 13 6 6.8%
Wild Type 54 61.4%
Histologic grade Undifferentiated 1 1.1%
Poorly diff. 5 5.7%
Moderately diff. 51 58.0%
Well diff. 31 35.2%
Histologic subtypes Conventional 78 88.64%
Mucinous 10 11.36%
Tumoral margin Expansive 16 18.18%
Infiltrative 61 69.32%
Mixed 11 12.50%
Vascular invasion Yes 33 37.50%
No 55 62.50%
Perineural invasion Yes 8 9.09%
No 80 90.91%
Lymphocyte infiltration Absent 53 60.23%
Low 15 17.05%
Medium 17 19.32%
High 3 3.41%

RIN: RNA integrity factor.

Perez Villamil et al.

Perez Villamil et al. BMC Cancer 2012 12:260   doi:10.1186/1471-2407-12-260

Open Data