You are here

Responses

Article menu

Download PDFPDF

XML
Diabetes and endocrinology
Research
Prevalence and associated factors of diabetic retinopathy in Beijing, China: a cross-sectional study
Compose a Response to This Article
Compose Response

More information about text formats

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Author Information
First or given name, e.g. 'Peter'.
Your last, or family, name, e.g. 'MacMoody'.
Your email address, e.g. higgs-boson@gmail.com
Your role and/or occupation, e.g. 'Orthopedic Surgeon'.
Your organization or institution (if applicable), e.g. 'Royal Free Hospital'.
Statement of Competing Interests

PLEASE NOTE:

  • A rapid response is a moderated but not peer reviewed online response to a published article in a BMJ journal; it will not receive a DOI and will not be indexed unless it is also republished as a Letter, Correspondence or as other content. Find out more about rapid responses.
  • We intend to post all responses which are approved by the Editor, within 14 days (BMJ Journals) or 24 hours (The BMJ), however timeframes cannot be guaranteed. Responses must comply with our requirements and should contribute substantially to the topic, but it is at our absolute discretion whether we publish a response, and we reserve the right to edit or remove responses before and after publication and also republish some or all in other BMJ publications, including third party local editions in other countries and languages
  • Our requirements are stated in our rapid response terms and conditions and must be read. These include ensuring that: i) you do not include any illustrative content including tables and graphs, ii) you do not include any information that includes specifics about any patients,iii) you do not include any original data, unless it has already been published in a peer reviewed journal and you have included a reference, iv) your response is lawful, not defamatory, original and accurate, v) you declare any competing interests, vi) you understand that your name and other personal details set out in our rapid response terms and conditions will be published with any responses we publish and vii) you understand that once a response is published, we may continue to publish your response and/or edit or remove it in the future.
  • By submitting this rapid response you are agreeing to our terms and conditions for rapid responses and understand that your personal data will be processed in accordance with those terms and our privacy notice.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

Vertical Tabs

Other responses

Jump to comment:

  • Published on: 25 September 2017
    Prevalence of diabetic retinopathy in China
    • Andrzej Grzybowski, MD, PhD, MBA 1Department of Ophthalmology, Poznan City Hospital, Poznan, Poland 2Department of Ophthalmology, University of Warmia and Mazury
    • Other Contributors:
      • Piotr Kanclerz, MD, PhD

    We have read the article by Cui et al.[1] with interest, however we believe that some issues should be clarified. The authors present a cross-sectional study aimed to determine the risk factors for diabetic retinopathy (DR) in the Chinese population.

    On a cohort of 17 985 individuals from Beijing, China, the prevalence of DR was 1.5% in the general study population and 8.1% among individuals with diabetes mellitus (DM). It is presented that since the Beijing population is composed of Han people as well as minorities from the country, it could be considered as representative of the Chinese population. It should be underlined that the assessed prevalence is far lower than that of other studies, including those from Asian countries. For example the prevalence of DR among primary care Chinese patients with DM in Hong Kong was 39.0% [2], and 37% among Chinese patients aged over 40 years with a self-reported diagnosis of diabetes in the Beijing Eye Study [3].

    Thus, questions about the methodology can be raised. The American Diabetes Association clearly states the criteria for the diagnosis of diabetes: 1) fasting plasma glucose ≥ 126 mg/dL (≥ 7.0 mmol/L) 2) 2-hour plasma glucose after a 75-g oral glucose tolerance test ≥ 200 mg/dL (≥ 11.1 mmol/L) 3) A1C ≥ 6.5% 4) In a patient with classic symptoms of hyperglycemia or hyperglycemic crisis, a random plasma glucose ≥200 mg/dL (11.1 mmol/L) [4]. Thus, it should be clarified if the diagnosis of diabetes in this study w...

    Show More
    Conflict of Interest:
    None declared.