Evidence map›Paper›PMID 37719724›Full record

ArticleFrontiers in public health2023

Human papillomavirus prevalence and vaccine effectiveness in young women in Germany, 2017/2018: results from a nationwide study.

Anna Loenenbach, Viktoria Schönfeld, Anja Takla, Miriam Wiese-Posselt, Adine Marquis, Sarah Thies, Matthias Sand, Andreas M Kaufmann, Ole Wichmann, Thomas Harder

Abstract read
In one paragraph

Article in Frontiers in public health, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Anna LoenenbachImmunization Unit, Robert Koch-Institute, Berlin, Germany.
Viktoria SchönfeldImmunization Unit, Robert Koch-Institute, Berlin, Germany.
Anja TaklaImmunization Unit, Robert Koch-Institute, Berlin, Germany.
Miriam Wiese-PosseltImmunization Unit, Robert Koch-Institute, Berlin, Germany.
Adine MarquisImmunization Unit, Robert Koch-Institute, Berlin, Germany.
Sarah ThiesDepartment of Gynecology, HPV Research Laboratory, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
Matthias SandGESIS Leibniz Institute for Social Sciences, Mannheim, Germany.
Andreas M KaufmannDepartment of Gynecology, HPV Research Laboratory, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
Ole WichmannImmunization Unit, Robert Koch-Institute, Berlin, Germany.
Thomas HarderImmunization Unit, Robert Koch-Institute, Berlin, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Infections with human papillomaviruses (HPV) are sexually transmitted and can cause cancer. In Germany, vaccination against HPV is recommended for girls and boys aged 9-17 years. We aimed to investigate HPV DNA prevalence, genotype distribution and vaccine effectiveness (VE) in women aged 20-25 years 10 years after the introduction of HPV vaccination in Germany (2018-2019), and compared these data to an equally designed study from 2010-2012. Methods: Seventy six geographical clusters were randomly selected, followed by random selection of 61 women aged 20-25 years per cluster. Participants performed cervicovaginal self-sampling and answered questions on demographics, sexual behaviour and HPV vaccination. Samples were tested for 18 high risk and nine low risk HPV genotypes. We performed chi-square tests, Fisher's exact test, unpaired Student's Results: Of 7,858 contacted women a total of 1,226 agreed to participate. Of these, 94 women were positive for HPV types 16 and/or 18. HPV16 prevalence was 7.0% (95% CI 5.6-8.6) and HPV18 prevalence was 0.8% (95% CI 0.4-1.5). HPV6 and HPV11 were rare with only five (0.4%; 0.1-0.9) and one (0%; 95% CI 0.0-0.5) positive tests. Seven hundred fifty-seven women (62%) had received at least one HPV vaccine dose and 348 (28%) were vaccinated as currently recommended. Confounder-adjusted VE was 46.4% (95% CI 4.2-70.1) against HPV16/18 infection and 49.1% (95% CI 8.2-71.8) against infection with at least one HPV genotype covered by the quadrivalent HPV vaccine. Compared with the 2010-2012 study results, HPV16/18 prevalence dropped from 22.5% (95% CI 19.0-26.3) to 10.3% (95% CI 7.5-13.9; Conclusion: Vaccine-covered HPV genotypes were rare among 20-25 years old women in Germany and decreased compared to the time point shortly after the start of the HPV vaccination program. HPV prevalence of almost all vaccine-covered genotypes was strongly reduced in vaccinated participants. A decrease of HPV16 and HPV18 was even observed in unvaccinated participants, compared to 2010-2012 data, suggesting indirect protection of unvaccinated women. Low VE against HPV16/18 and HPV6/11/16/18 in our study might be attributable to study design in combination with the endpoint selection of (mainly transient) HPV DNA positivity.

Indexed as

Papillomavirus InfectionsPapillomavirus VaccinesAdultFemaleGermanyHuman papillomavirus 16Human papillomavirus 18Human Papillomavirus VirusesHumansPapillomaviridaePrevalenceVaccine EfficacyYoung AdultPapillomavirus Vaccinescervical cancer preventionHPV genotypingpopulation-based studyprevalenceself-samplingvaccine effectiveness

Identifiers

PMID37719724
PMCPMC10501861

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.