Table 2 Unadjusted and adjusted prevalence ratios for abnormal cytology of high-risk HPV types

High risk HPV type

HPV type PR [95 % CI]

P value

HPV type aPR [95 % CI]

P value

More than one high risk HPV aPR [95 % CI]

P value

16

1.48 [1.08–2.01]

0.013

1.14 [0.83–1.54]

0.418

1.94 [1.50–2.52]

<0.001^c

18

1.19 [0.81–1.74]

0.369

0.83 [0.57–1.20]

0.321

2.04 [1.57–2.66]

<0.001^c

31

1.53 [1.09–2.13]

0.013

0.97 [0.70–1.37]

0.882

1.98 [1.51–2.59]

<0.001^c

33

2.13 [1.51–3.02]

<0.001

1.47 [1.10–1.97]

0.009

1.89 [1.45–2.46]

<0.001^c

35

1.89 [1.38–2.59]

<0.001

1.20 [0.88–1.64]

0.246

1.88 [1.43–2.48]

<0.001^c

39

2.03 [1.43–2.88]

<0.001

1.09 [0.74–1.61]

0.665

1.95 [1.49–2.53]

<0.001^c

45

0.80 [0.44–1.50]

0.507

0.58 [0.32–1.06]

0.079

2.07 [1.60–2.68]

<0.001^c

51

1.35 [0.93–1.97]

0.116

1.00 [0.70–1.43]

0.993

1.97 [1.52–2.56]

<0.001^c

52

2.05 [1.50–2.81]

<0.001

1.35 [1.00–1.84]

0.051

1.89 [1.45–2.46]

<0.001^c

56

1.74 [1.27–2.38]

0.001

1.06 [0.76–1.47]

0.726

1.94 [1.48–2.55]

<0.001^c

58

1.29 [0.97–1.72]

0.084

0.90 [0.68–1.21]

0.488

2.04 [1.56–2.68]

<0.001^c

59

1.34 [0.95–1.89]

0.097

1.00 [0.72–1.38]

0.976

1.97 [1.51–2.57]

<0.001^c

68

1.53 [1.09–2.16]

0.015

1.04 [0.74–1.46]

0.834

1.96 [1.50–2.56]

<0.001^c