Table 4

DDC mRNA expressionaanalysis in subgroups of LSCC patients, classified according to classical clinicopathological parameters
Variable No. of patients Mean ± SEb Median p value
Tumor size
  ≤ 2 cm 8 40.95 ± 25.88 0.41 0.033c
  > 2 cm 11 0.42 ± 0.37 0.05
TNM stage
  I 5 63.94 ± 39.01 0.52 0.027d
  II 3 2.65 ± 2.61 0.05
  III 11 0.42 ± 0.37 0.05
Histological grade
  I 7 0.12 ± 0.07 0.05 0.46d
  II 6 28.22 ± 27.35 0.05
  III 6 27.03 ± 25.40 0.17

a a.u.: arbitrary units.

b Standard error of the mean.

c Calculated using the Mann-Whitney U test.

d Calculated using the Kruskal-Wallis test.

Geomela et al.

Geomela et al. BMC Cancer 2012 12:484   doi:10.1186/1471-2407-12-484

Open Data