Table 1 Prevalence of HPV DNA in 504 heterosexual couples in central Mexico, according to sex.

Presence of HPV

Positive

103

20.44

69

13.69

0.0009

Presence of high-risk HPV

Positive

44

8.73

48

9.52

0.6056

Presence of low-risk HPV

Positive

75

14.88

33

6.55

0.000

Multiple HPV infection

One type only

79

15.67

50

9.92

0.3841

Two or more types

24

4.77

19

3.77

Presence of HPV 16 and/or 18

Negative

491

97.42

490

97.22

0.8348

Positive

13

2.58

14

2.78

Positive for High-risk HPV

16

6

1.19

10

1.98

0.2850

18

7

1.39

4

0.79

0.3173

31

1

0.20

5

0.99

0.0455

33

0

0

0

0

35

0

0

0

0

39

7

1.39

3

0.60

0.1025

45

2

0.40

1

0.20

0.5637

51

2

0.40

3

0.60

0.6547

52

3

0.60

5

0.99

0.4142

56

2

0.40

1

0.20

0.3173

58

3

0.60

5

0.99

0.4142

59

12

2.38

15

2.98

0.4913

66

6

1.19

3

0.60

0.2568

For low-risk HPV

6

2

0.40

2

0.40

1.000

11

0

0

0

0

26

0

0

0

0

40

2

0.40

2

0.40

1.000

42

2

0.40

2

0.40

1.000

53

10

1.98

2

0.40

0.0114

54

5

0.99

4

0.79

0.6547

55

4

0.79

0

0

0.045

61

14

2.78

2

0.40

0.0013

62

11

2.18

7

1.39

0.2059

64

0

0

0

0

67

0

0

0

0

68

2

0.40

1

0.20

0.5637

69

0

0

1

0.20

0.3173

70

1

0.20

0

0

0.3171

71

3

0.60

5

0.99

0.4142

72

4

0.79

1

0.20

0.1797

73

2

0.40

2

0.40

1.000

81

7

1.39

4

0.79

0.3173

82

0

0

0

0

83

1

0.20

2

0.40

0.5637

84

9

1.79

1

0.20

0.0047

IS39

0

0

0

0

Cp6108

5

0.99

3

0.60

0.4142