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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