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Table 2 HPV presence, HPV type, viral load, and physical status of HPV-16

From: Human papillomavirus infection and immunohistochemical expression of cell cycle proteins pRb, p53, and p16INK4a in sinonasal diseases

Groups

HPV presence

High-risk HPV (numbers)

HPV-16 viral load (E6 copies/50 ng genomic DNA)

E2/E6 of HPV-16

Integration type

SCC (n = 16)

25.0 %, 4 of 16

HPV-16, 3; HPV-18, 1

35

0.12

mixed

   

79

0.1

mixed

   

594

0.85

mixed

IP + SCC (n = 5)

40.0 %, 2 of 5

HPV16, 2

1524

0.65

mixed

   

7953

0.67

mixed

IP (n = 17)

29.4 %, 5 of 17

HPV16, 3; HPV33, 2

2.5

1

episomal

   

24.2

1

episomal

   

74

1

episomal

CRS (n = 32)

6.3 %, 2 of 32

HPV16, 2

5.1

0.12

mixed

   

6.8

1

episomal