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Table 3 Fraction of cytology abnormalities in the population attributable to HPV 16-18 and HPV 6-11 alone and in co-infection with high and low risk types (7).

From: Distribution of high and low risk HPV types by cytological status: a population based study from Italy

ALL

PAP TEST RESULTS

  
 

Negative

ASC-US

L-SIL+

  
 

3151

117

90

  

HPV INFECTION

N

%

N

%

N

%

PAR ASC-US+ (95% CI)

PAR L-SIL+ (95% CI)

HPV negative

2844

90.3

77

65.8

25

27.8

  

16-18 alone

43

1.4

8

6.8

17

18.9

11.2 (6.6-15.7)

18.4 (9.8-26.1)

16-18 & other HR+

28

0.9

1

0.9

7

7.8

3.3 (0.5-6.0)

7.4 (1.7-12.8)

16-18 & LR+

3

0.1

0

0.0

2

2.2

0.9 (0.0-2.2)

2.2 (0.0-5.2)

6-11 alone

17

0.5

1

0.9

0

0.0

0.2 (0.0-1.1)

 

6-11 & HR+ (excluded 16-18)

2

0.1

1

0.9

2

2.2

1.4 (0.2-3.0)

2.2 (0.0-5.2)

6-11 & other LR+

1

0.0

1

0.9

0

0.0

0.5 (0.5-1.4)

 

other HR+ only

142

4.5

22

18.8

32

35.6

23.4 (16.5-29.6)

33.9 (22.9-43.4)

other LR+ only

63

2.0

5

4.3

3

3.3

2.7 (0.0-5.5)

2.7 (0.0-6.4)

other HR+ & LR+

8

0.3

1

0.9

2

2.2

1.3 (0.0-2.9)

2.1 (0.0-5.1)

< = 35 years

        
 

PAP TEST RESULTS

  
 

Negative

ASC-US

L-SIL+

  
 

771

42

41

  

HPV INFECTION

N

%

N

%

N

%

PAR ASC-US+ (95% CI)

PAR L-SIL+ (95% CI)

HPV negative

649

84.2

22

52.4

9

22.0

  

16-18 alone

19

2.5

4

9.5

8

19.5

13.4 (5.3-20.8)

18.8 (5.6-30.2)

16-18 & other HR+

17

2.2

1

2.4

4

9.8

5.1 (0.0-10.2)

9.1 (0.0-17.9)

16-18 & LR+

1

0.1

0

0.0

1

2.4

1.2 (0.0-3.5)

2.4 (0.0-7.0)

6-11 alone

8

1.0

1

2.4

0

0.0

0.7 (0.0-3.1)

 

6-11 & HR+(exclued 16-18)

2

0.3

0

0.0

2

4.9

2.3 (0.0-5.6)

4.8 (0.0-11.2)

6-11 & other LR+

1

0.1

1

2.4

0

0.0

1.2 (0.0-3.5)

 

other HR+ only

52

6.7

9

21.4

15

36.6

26.0 (14.7-35.8)

34.8 (17.5-48.4)

other LR+ only

19

2.5

3

7.1

0

0.0

2.5 (0.0-6.7)

 

other HR+ & LR+

3

0.4

1

2.4

2

4.9

3.5 (0.0-7.4)

4.8 (0.0-11.1)

  1. All PAR adjusted by age.