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Equity was rarely considered in Cochrane Eyes and Vision systematic reviews and primary studies on cataract

  • Jennifer Evans
    Correspondence
    Corresponding author: Jennifer Evans. Clinical Research Department, LSHTM, Keppel Street, London, WC1E 7HT UK. Tel.: +44 02079588167; fax: +44 (0) 20 7958 8316.
    Affiliations
    International Centre for Eye Health, Clinical Research Department, London School of Hygiene and Tropical Medicine, London, UK
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  • Nyawira Mwangi
    Affiliations
    International Centre for Eye Health, Clinical Research Department, London School of Hygiene and Tropical Medicine, London, UK

    Department of Clinical Medicine, Kenya Medical Training College, Nairobi, Kenya
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  • Helen Burn
    Affiliations
    Department of Ophthalmology, Stoke Mandeville Hospital, Aylesbury, UK
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  • Jacqueline Ramke
    Affiliations
    International Centre for Eye Health, Clinical Research Department, London School of Hygiene and Tropical Medicine, London, UK

    School of Optometry and Vision Science, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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      Abstract

      Objective

      We sought to understand the extent to which Cochrane Eyes and Vision systematic reviews of interventions for cataract, and primary studies, consider equity.

      Study Design and Setting

      This is a review of Cochrane Eyes and Vision systematic reviews (CSRs) on cataract published on the Cochrane Library (end of March 2019) (n = 23), and recently published primary studies included in those reviews (n = 62), using the PROGRESSPlus framework.

      Results

      One CSR considered equity as a topic. Four (17%) CSRs included a low- and middle-income country (LMIC) author; one of them was a first author. The CSR with equity as a main topic restricted primary studies to those conducted in LMICs; otherwise none of the systematic reviews used PROGRESS factors as inclusion or exclusion criteria. None of the CSRs reported subgroup analyses by any PROGRESS factor, although these were planned in two.
      Two of the primary studies were led by an LMIC author; 42% involved LMIC authors; 37% were conducted in LMICs; 73% of studies reported on gender/sex of participants, but other PROGRESS factors were less frequently reported. Three studies reported subgroup analyses by sex; one reported subgroup analyses by race/ethnicity.

      Conclusion

      PROGRESS factors and equity are rarely considered in studies of interventions for cataract, and this is reflected in the associated Cochrane reviews.

      Keywords

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