Skip to main content

Table 2 Means of HPV viral loads according to selected characteristics at the first occurrence of positivity for a given HPV type

From: Human papillomavirus (HPV) types 16, 18, 31, 45 DNA loads and HPV-16 integration in persistent and transient infections in young women

  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
  1. * Defined at the time of first occurrence of positivity for the stated HPV type.
  2. # 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.