Evidence map›Paper›PMID 36106164›Full record

ArticleFrontiers in public health2022

Rural-urban differences in prevalence of and risk factors for refractive errors among school children and adolescents aged 6-18 years in Dalian, China.

Yachen Wang, Lei Liu, Zhili Lu, Yiyin Qu, Xianlong Ren, Jiaojiao Wang, Yan Lu, Wei Liang, Yue Xin, Nan Zhang and 7 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
3.7field-weighted citation impact, top 6% of its field
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

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 citations in OpenAlex.

  1. Pooled it
  2. Urban-Rural and School-Type Disparities in the Prevalence of Myopia and High Myopia in South India.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2026
    Article
  3. The Changing Natural History of Anisometropia: A Scoping Review.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2026
    Article
  4. Article
  5. Article
  6. Article
  7. Optical and Visual Diet in Myopia.Investigative ophthalmology & visual science · 2025
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Observational
  14. Article
  15. The influence of the environment and lifestyle on myopia.Journal of physiological anthropology · 2024
    Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Review
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

17 authors at 6 institutions in 1 country.

Yachen WangDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Lei LiuDepartment of Ophthalmology, Guangdong Eye Institute, Guangdong Provincial People's Hospital, Guangzhou, China.
Zhili LuDepartment of Ophthalmology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
Yiyin QuHe Eye Hospital, Dalian, China.
Xianlong RenBeijing Center for Diseases Prevention and Control, Beijing, China.
Jiaojiao WangDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Yan LuDepartment of Ophthalmology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
Wei LiangDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Yue XinDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Nan ZhangDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Lin JinDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Lijing WangDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Jian SongDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Jian YuDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Lijun ZhaoDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Xiang MaDepartment of Ophthalmology, The First Affiliated Hospital of Dalian Medical University, Dalian, China.
Lijun ZhangDepartment of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
The Third People's Hospital of Dalian City · CNDalian Medical University · CNFirst Affiliated Hospital of Dalian Medical University · CNBeijing Center for Disease Prevention and Control · CNGuangdong Provincial People's Hospital · CNHe Eye Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: To assess the prevalence of refractive errors (REs) in school children aged 6-18 years in urban and rural settings in Dalian, Northeast of China. Methods: This is a school-based cross-sectional survey using multi-stage randomization technique. Six- to eighteen-year-old school children from elementary schools, junior and senior high schools from a rural area and an urban area in Dalian were included in December 2018. All subjects underwent a comprehensive questionnaire and eye examination. Results: A total of 4,522 school children with 6-18 years of age were investigated. The age, gender-adjusted prevalence of myopia, and anisometropia were 82.71 and 7.27% among the urban students as compared to 71.76% and 5.41% among the rural ones (OR = 1.80, 95 % CI = 1.53 - 2.11, Conclusions: The students from urban settings are more likely to have myopia and anisometropia but less likely to have hyperopia than their rural counterparts. Although considerable attention had been paid to controlling REs, it is necessary to further consider the urban-rural differences in REs.

Indexed as

AnisometropiaHyperopiaMyopiaRefractive ErrorsAdolescentChildChinaCross-Sectional StudiesHumansPrevalenceRisk Factorsprevalencerefractive errorsrisk factorsschoolchildrenurban-rural disparity

Identifiers

PMID36106164
PMCPMC9465045
OpenAlexW4293531843

What OpenQuestion holds

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LicenceCC BY
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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.