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Table 5 DDC mRNA expression a analysis in subgroups of TSCC patients, classified according to classical clinicopathological parameters

From: L-DOPA decarboxylase mRNA expression is associated with tumor stage and size in head and neck squamous cell carcinoma: a retrospective cohort study

Variable

No. of patients

Mean ± SEb

Median

p value

Tumor size

  ≤ 2 cm

7

13.76 ± 3.36

0.26

0.028c

  > 2 cm

6

5.08 ± 0.02

0.05

 

TNM stage

  I

3

31.73 ± 3.11

1.00

0.025d

  II

7

0.18 ± 0.13

0.05

 

  III

3

0.05 ± 0.003

0.05

 

Histological grade

  I

5

0.24 ± 0.19

0.05

0.097d

  II

4

0.28 ± 0.23

0.05

 

  III

3

31.34 ± 31.29

0.05

 
  1. a a.u.: arbitrary units.
  2. b Standard error of the mean.
  3. c Calculated using the Mann-Whitney U test.
  4. d Calculated using the Kruskal-Wallis test.