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Table 3 Prevalence, reinfection and clearance rates concerning the 6 HR-HPV types

From: Persistence, clearance and reinfection regarding six high risk human papillomavirus types in Colombian women: a follow-up study

Viral type

Baseline

Clearance

Reinfection

Prevalence% (n=) [95% CI]

Viral load, median (IQR)

Rate* [95% CI]

Total HPV viral load**, median (IQR)

% (n=) [95% CI]

Viral load, median (IQR)

Absolut

Normalised

Absolut

Normalised

Absolut

Normalised

HPV-16

71.2% (156) [64.7-77.1]

2.9E + 6 (9.7E + 6)

0.2 (6.7)

5.9 [4.9-7.2]

2.17E + 09 (7.67E + 10)

5 (13,468)

48.6% (53) [39–58]

2.9E + 6 (9.2E + 6)

0.32 (5.3)

HPV-18

53% (116) [46.1-59.7]

4.3E + 6 (4.56E + 07)

0.42 (13)

1.76 [1.3-2.4]

6.56E + 09 (6.34E + 11)

208 (30,101)

12% (7.4-20.4)

3.0E + 6 (4.28E + 07)

0 .1 (1.8)

HPV-31

37% (81) [30.6-43.8]

9.04E + 07 (6.29E + 09)

44 (3,360)

2.75 [1.96-3.84]

1.23E + 07 (3.02E + 07)

7 (96)

50% (17) [32–67]

1.96E + 09 (7.61E + 09)

3,360 (12,400)

HPV-33

6.4% (14) [3.5-10.5]

2.96E + 07 (1.14E + 09)

3.6 (39,100)

11.51 [6.7-19.8]

1.39E + 9 (1.91E + 10)

774 (4,683)

38.5% (5) [14–68]

1.47E + 08 (5.82E + 08)

51 (128)

HPV-45

43.4% (95) [36.7-50.2]

2.48E + 06 (1.12E + 09)

0.33 (180)

5 [3.9-6.42]

1.84E + 08 (9.30E + 11)

18 (1E + 05)

43.5% (27) [30.9-56.7]

1.14E + 08 (1.94E + 09)

17 ( 7,180)

HPV-58

45.7% (100) [38.9-52.5]

6.14E + 05 (2.1E + 06)

0.4 (15.7)

4.05 [3.1-5.24]

4.35e + 08 (5.92e + 10 )

141 (5,749)

0

0***

0

  1. *Clearance rates are given in values per month, per 100 individuals.
  2. **Total HPV viral load was taken as the mean of the other HPV type infections on clearance.
  3. ***The load for other HPV-58 types was not calculated as there was no re-infection.
  4. HPV Human papillomavirus, IQR Interquartile range.