Bibliometric study of 'overviews of systematic reviews' of health interventions: Evaluation of prevalence, citation and journal impact factor

doi:10.1002/jrsm.1530

. 2022 Jan;13(1):109-120.

doi: 10.1002/jrsm.1530. Epub 2021 Oct 25.

Bibliometric study of 'overviews of systematic reviews' of health interventions: Evaluation of prevalence, citation and journal impact factor

Carole Lunny¹, Trish Neelakant^{1

2}, Alyssa Chen¹, Gavindeep Shinger¹, Adrienne Stevens³, Sara Tasnim¹, Shadi Sadeghipouya¹, Stephen Adams¹, Yi Wen Zheng¹, Lester Lin¹, Pei Hsuan Yang¹, Manpreet Dosanjh¹, Peter Ngsee¹, Ursula Ellis⁴, Beverley J Shea⁵, Emma K Reid⁶, James M Wright¹

Affiliations

¹ Cochrane Hypertension Review Group, Therapeutics Initiative, Department of Anesthesiology, Pharmacology & Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
² Royal College of Surgeons in Ireland, Dublin, Ireland.
³ Michael G. DeGroote Cochrane Canada Centre, Department of Health Research Methods, Evidence, and Impact, McMaster University, Ontario, Canada.
⁴ Woodward Library, University of British Columbia, Vancouver, British Columbia, Canada.
⁵ Clinical Epidemiology Program, Ottawa Hospital Research Institute, University of Ottawa, Ontario, Canada.
⁶ Nova Scotia Health, Halifax, Nova Scotia, Canada.

PMID: 34628727
DOI: 10.1002/jrsm.1530

Bibliometric study of 'overviews of systematic reviews' of health interventions: Evaluation of prevalence, citation and journal impact factor

Carole Lunny et al. Res Synth Methods. 2022 Jan.

. 2022 Jan;13(1):109-120.

doi: 10.1002/jrsm.1530. Epub 2021 Oct 25.

Authors

Affiliations

¹ Cochrane Hypertension Review Group, Therapeutics Initiative, Department of Anesthesiology, Pharmacology & Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
² Royal College of Surgeons in Ireland, Dublin, Ireland.
³ Michael G. DeGroote Cochrane Canada Centre, Department of Health Research Methods, Evidence, and Impact, McMaster University, Ontario, Canada.
⁴ Woodward Library, University of British Columbia, Vancouver, British Columbia, Canada.
⁵ Clinical Epidemiology Program, Ottawa Hospital Research Institute, University of Ottawa, Ontario, Canada.
⁶ Nova Scotia Health, Halifax, Nova Scotia, Canada.

PMID: 34628727
DOI: 10.1002/jrsm.1530

Abstract

Overviews synthesising the results of multiple systematic reviews help inform evidence-based clinical practice. In this first of two companion papers, we evaluate the bibliometrics of overviews, including their prevalence and factors affecting citation rates and journal impact factor (JIF). We searched MEDLINE, Epistemonikos and Cochrane Database of Systematic Reviews (CDSR). We included overviews that: (a) synthesised reviews, (b) conducted a systematic search, (c) had a methods section and (d) examined a healthcare intervention. Multivariable regression was conducted to determine the association between citation density, JIF and six predictor variables. We found 1218 overviews published from 2000 to 2020; the majority (73%) were published in the most recent 5-year period. We extracted a selection of these overviews (n = 541; 44%) dated from 2000 to 2018. The 541 overviews were published in 307 journals; CDSR (8%), PLOS ONE (3%) and Sao Paulo Medical Journal (2%) were the most prevalent. The majority (70%) were published in journals with impact factors between 0.05 and 3.97. We found a mean citation count of 10 overviews per year, published in journals with a mean JIF of 4.4. In multivariable analysis, overviews with a high number of citations and JIFs had more authors, larger sample sizes, were open access and reported the funding source. An eightfold increase in the number of overviews was found between 2009 and 2020. We identified 332 overviews published in 2020, which is equivalent to one overview published per day. Overviews perform above average for the journals in which they publish.

Keywords: bibliometric; citation analysis; epidemiological characteristics; impact factor; meta-reviews; overview of systematic reviews; overviews of reviews; reviews of reviews; systematic reviews of systematic reviews; umbrella reviews.

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References

REFERENCES

1. Retrouvey H, Webster F, Zhong T, Gagliardi AR, Baxter NN. Cross-sectional analysis of bibliometrics and altmetrics: comparing the impact of qualitative and quantitative articles in the British medical journal. BMJ Open. 2020;10(10):e040950.
1. Brandt JS, Hadaya O, Schuster M, Rosen T, Sauer MV, Ananth CV. A Bibliometric analysis of top-cited journal articles in obstetrics and gynecology. JAMA Netw Open. 2019;2(12):e1918007-e1918007.
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1. Allareddy V, Lee MK, Shah A, Elangovan S, Lin CY. Association between study design and citation counts of articles published in the American journal of orthodontics and Dentofacial orthopedics and angle orthodontist. Orthodontics (Chic). 2012;13(1):184-191.
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[1] Retrouvey H, Webster F, Zhong T, Gagliardi AR, Baxter NN. Cross-sectional analysis of bibliometrics and altmetrics: comparing the impact of qualitative and quantitative articles in the British medical journal. BMJ Open. 2020;10(10):e040950.

[2] Retrouvey H, Webster F, Zhong T, Gagliardi AR, Baxter NN. Cross-sectional analysis of bibliometrics and altmetrics: comparing the impact of qualitative and quantitative articles in the British medical journal. BMJ Open. 2020;10(10):e040950.

[3] Brandt JS, Hadaya O, Schuster M, Rosen T, Sauer MV, Ananth CV. A Bibliometric analysis of top-cited journal articles in obstetrics and gynecology. JAMA Netw Open. 2019;2(12):e1918007-e1918007.

[4] Brandt JS, Hadaya O, Schuster M, Rosen T, Sauer MV, Ananth CV. A Bibliometric analysis of top-cited journal articles in obstetrics and gynecology. JAMA Netw Open. 2019;2(12):e1918007-e1918007.

[5] Trueger NS, Yilmaz Y, Chan TM. Leveraging tweets, citations, and social networks to improve Bibliometrics. JAMA Netw Open. 2020;3(7):e2010911.

[6] Trueger NS, Yilmaz Y, Chan TM. Leveraging tweets, citations, and social networks to improve Bibliometrics. JAMA Netw Open. 2020;3(7):e2010911.

[7] Allareddy V, Lee MK, Shah A, Elangovan S, Lin CY. Association between study design and citation counts of articles published in the American journal of orthodontics and Dentofacial orthopedics and angle orthodontist. Orthodontics (Chic). 2012;13(1):184-191.

[8] Allareddy V, Lee MK, Shah A, Elangovan S, Lin CY. Association between study design and citation counts of articles published in the American journal of orthodontics and Dentofacial orthopedics and angle orthodontist. Orthodontics (Chic). 2012;13(1):184-191.

[9] Montori VM, Wilczynski NL, Morgan D, Haynes RB. Systematic reviews: a cross-sectional study of location and citation counts. BMC Med. 2003;1:2.

[10] Montori VM, Wilczynski NL, Morgan D, Haynes RB. Systematic reviews: a cross-sectional study of location and citation counts. BMC Med. 2003;1:2.

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Bibliometric study of 'overviews of systematic reviews' of health interventions: Evaluation of prevalence, citation and journal impact factor

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Bibliometric study of 'overviews of systematic reviews' of health interventions: Evaluation of prevalence, citation and journal impact factor

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