Table 2

Means of HPV viral loads according to selected characteristics at the first occurrence of positivity for a given HPV type

HPV 16

HPV 18

HPV 31

HPV 45


Characteristic*

N

Mean

95% CI

N

Mean

95% CI

N

Mean

95% CI

N

Mean

95% CI


Age

<25 years

72

0.47

0.19-1.19

32

0.93

0.18-4.96

31

2.07

0.54-7.97

14

0.26

0.03-2.62

25+ years

31

0.21

0.05-1.01

11

0.08

0.03-0.46

5

0.45

0.04-5.33

5

0.09

0.01-8.02


Coinfection, other HPVs

None #

10

0.17

0.02-1.24

5

0.05

0.01-0.25

4

1.88

0.10-35.6

3

0.09

0.01-8.03

Sequential

56

0.56

0.18-1.70

21

1.61

0.14-18.18

17

1.29

0.12-14.1

8

0.06

0.00-3.37

Concurrent

38

0.25

0.06-0.93

17

0.62

0.05-7.09

15

1.76

0.29-10.9

8

0.41

0.00-18.58


Smoking

Never

60

0.34

0.11-1.04

23

0.16

0.02-1.05

22

0.66

0.09-4.49

11

0.17

0.03-8.28

Current

25

0.79

0.21-2.91

15

1.29

0.18-9.36

8

1.80

0.38-8.56

3

0.32

0.05-2.46

Former

18

0.13

0.02-1.07

5

3.86

0.04-37.47

6

21.87

2.26-211.3

5

0.17

0.03-11.18


Condom use

No

15

0.09

0.01-1.05

10

0.72

0.01-44.43

4

0.49

0.02-122.

3

0.03

0.003-2.48

Used sometimes

44

0.78

0.21-2.82

17

0.35

0.04-3.34

13

6.09

0.70-53.1

12

0.33

0.02-6.19

Regular use

39

0.51

0.17-1.48

15

0.72

0.08-6.92

16

1.01

0.15-6.68

5

0.22

0.02-16.23


Oral contraceptive use

No

23

0.28

0.04-1.80

13

0.22

0.02-2.18

10

0.51

0.04-2.09

7

0.13

0.01-1.57

Infrequent

63

0.42

0.16-1.08

25

0.69

0.13-3.65

21

0.91

0.19-4.34

10

0.46

0.02-9.44

Regular

7

1.10

0.18-67.6

4

1.92

1.3-3.82

4

7.4

2.08-26.7

2

0.98

0.01-54.21


Sexual partners

One

5

0.05

0.01-6.12

5

0.02

0.04-9.03

2

0.80

0.03-205.

5

0.06

0.01-3.60

2-3

24

0.72

0.16-3.16

7

2.30

0.04-146.1

13

3.32

0.31-34.9

2

0.06

0.005-6.57

4+

75

0.34

0.14-0.90

31

0.59

0.13-2.62

21

1.09

0.23-5.04

12

0.41

0.03-5.61


* Defined at the time of first occurrence of positivity for the stated HPV type.

# Concurrent coinfection defined as the detection of more than one HPV type in the cervical cell specimen collected at the first visit when the stated type was found. Sequential coinfection defined as additional HPV types detected at different visits than the one when the stated type was found.

Ramanakumar et al. BMC Infectious Diseases 2010 10:326   doi:10.1186/1471-2334-10-326

Open Data