Evidence map›Paper›PMID 39810099›Full record

ArticleBMC public health2025

Chlamydia cases in women of reproductive age, 2006-2020: an analysis of surveillance data from Southern China.

Peizhen Zhao, Peng Liang, Jinshen Wang, Wenqian Xu, Shujie Huang, Cheng Wang

Abstract read
In one paragraph

Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–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

1 citing paper in PubMed.

  1. Article
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

6 authors.

Peizhen ZhaoDermatology Hospital, Southern Medical University, Guangzhou, 510095, China.
Peng LiangSchool of Public Health, Southern Medical University, Guangzhou, China.
Jinshen WangDermatology Hospital, Southern Medical University, Guangzhou, 510095, China.
Wenqian XuDermatology Hospital, Southern Medical University, Guangzhou, 510095, China.
Shujie HuangDermatology Hospital, Southern Medical University, Guangzhou, 510095, China.
Cheng WangDermatology Hospital, Southern Medical University, Guangzhou, 510095, China. wangcheng090705@gmail.com.

Funding

Medical Scientific Research Foundation of Guangdong Province B2022139the Science and Technology Projects in Guangzhou 2024A04J4485
6 · The paper itself

Abstract

backgroundChlamydia is common among women of reproductive age and can cause serious health issues. This study aimed to examine the trends and factors linked to newly diagnosed and reported chlamydia cases in women aged 15-49 in Guangdong Province from 2006 to 2020.

methodsWe included all newly diagnosed and reported chlamydia cases from January 1, 2006, to December 31, 2020. Data from 21 cities in Guangdong Province were sourced from the National Notifiable Infectious Disease Reporting Information System in China. Temporal trends were analyzed using Joinpoint regression models. City-level factors (population density, net migration rate, and male-to-female sex ratio) were derived from the Guangdong Statistical Yearbook and the Guangdong Health and Family Planning Statistical Yearbook. Quasi-Poisson regression models were used to explore the relationship between sociodemographic factors and chlamydia incidence.

resultsFrom 2006 to 2020, 523,367 new chlamydia cases were reported among women of reproductive age in Guangdong. The mean reported rate was 122.6 per 100,000 population over 15 years, significantly increasing from 1.4 in 2006 to 179.7 in 2020 (average annual percent change [AAPC] = 47.4%, 95% CI: 42.8%-52.2%, P < 0.05). The highest rate was 196.8 per 100,000 population in 2019. Among older women, 9,045 cases were reported, with a mean reported rate of 4.9 per 100,000, rising significantly from 0.01 in 2006 to 9.6 in 2020 (AAPC = 52.6%, 95% CI: 30.3%-78.8%, P < 0.05). The reported rate among women of reproductive age correlated with the net migration rate (RR = 1.2; 95% CI: 1.2-1.3) and the ratio of those participating in child-bearing insurance to the permanent population (RR = 1.5; 95% CI: 1.4-1.6).

conclusionThe reported rate of new chlamydia cases among women of reproductive age was significantly higher than among older adults and increased markedly from 2006 to 2020. These findings underscore the urgent need for targeted prevention strategies for women of reproductive age.

Indexed as

Chlamydia InfectionsPopulation SurveillanceAdolescentAdultChinaFemaleHumansIncidenceMiddle AgedYoung AdultChlamydiaSurveillanceWomen of Reproductive Age

Identifiers

PMID39810099
PMCPMC11734558

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.