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Table 2 The difference in median score of selected immunostains by tumor grading (Mann-Whitney)

From: Immunohistochemical expression of epidermal growth factor receptor (EGFR) in oral squamous cell carcinoma in relation to proliferation, apoptosis, angiogenesis and lymphangiogenesis

 

Tumor grading

 
 

Grade I

Grade II-III

P

Intratumoral LVD

0.24 [NS]

Range

(0 - 200)

(0 - 160)

 

Median

18

30

 

Interquartile range

(0 - 38)

(8 - 57)

 

N

17

23

 

Mean rank

18

22.35

 

Peritumoral LVD

0.004

Range

(0 - 155)

(0 - 240)

 

Median

15

60

 

Interquartile range

(0 - 48)

(35 - 100)

 

N

17

23

 

Mean rank

14.29

25.09

 

Total LVD

0.028

Range

(0 - 250)

(0 - 300)

 

Median

46

93

 

Interquartile range

(1 - 78)

(48 - 173)

 

N

17

23

 

Mean rank

15.79

23.98

 
  1. LVD = lymphatic vessel density