Journal of Diabetes Research

Journal of Diabetes Research / 2018 / Article

Comment on “Prevalence and Risk Factors for Diabetic Lower Limb Amputation: A Clinic-Based Case Control Study”

  • M. Bakhtiyari | M. A. Mansournia |
  •  Article ID 6015326 |
  •  Published 17 Oct 2017
  • | View Article

Response to: Comment on “Prevalence and Risk Factors for Diabetic Lower Limb Amputation: A Clinic-Based Case Control Study”

  • Beverly T. Rodrigues | Venkat N. Vangaveti | Usman H. Malabu |
  •  Article ID 1908140 |
  •  Published 20 Feb 2018

Letter to the Editor | Open Access

Volume 2018 |Article ID 1908140 | 2 pages | https://doi.org/10.1155/2018/1908140

Response to: Comment on “Prevalence and Risk Factors for Diabetic Lower Limb Amputation: A Clinic-Based Case Control Study”

Academic Editor: Kim Connelly
Received05 Dec 2017
Accepted19 Dec 2017
Published20 Feb 2018

The observations by Bakhtiyari and Mansournia on our study [1] were received with great interest. We believe our study was consistent with a case-control format [2]. In particular, our target population was selected from subjects diagnosed with diabetic foot ulcer (DFU) at the local high-risk foot clinic, effectively fulfilling the criteria of control (DFU without amputations) and case (DFU with amputation), as previously described [3]. The identified risk factors were computed amongst those with and without limb amputations. We do not believe our study was cross-sectional, being retrospective in design, and it was not conducted at a specific point in time rather for a period from January 2011 to December 2013; both are in agreement with the definition of a case-control study [4]. The prevalence of diabetic limb amputation quoted in our study was for our high-risk diabetic foot clinic and not for the general population of North Eastern Australia which was clearly outlined in the title as clinic-based [5]. Interestingly, in line with Bakhtiyari’s and Mansournia’s observation of a case-control study, our sampling was based on the outcome (amputation) and was known in advance prior to conducting the study [3]. Furthermore, in keeping with a case-control study, we did not undertake propensity matching since cases and controls were outcomes rather than exposures [4]. With respect to our discussion on the prevalence of diabetic limb amputation, comparing clinic-based and non-clinic-based studies, the point was noted but we clearly stated our study was similar to those reported by others [6]. Overall, we do not think the title of our article was confusing since it tallied with the methodology and content of the article.

Conflicts of Interest

The authors declare that they have no conflicts of interest.

References

  1. M. Bakhtiyari and M. A. Mansournia, “Comment on “Prevalence and risk factors for diabetic lower limb amputation: a clinic-based case control study”,” Journal of Diabetes Research, vol. 2017, Article ID 6015326, 1 page, 2017. View at: Publisher Site | Google Scholar
  2. B. T. Rodrigues, V. N. Vangaveti, and U. H. Malabu, “Prevalence and risk factors for diabetic lower limb amputation: a clinic-based case control study,” Journal of Diabetes Research, vol. 2016, Article ID 5941957, 7 pages, 2016. View at: Publisher Site | Google Scholar
  3. P. Büttner and R. Muller, Epidemiology, Oxford University Press, 2015.
  4. S. Lewallen and P. Courtright, “Epidemiology in practice: case-control studies,” Community Eye Health, vol. 11, no. 28, pp. 57-58, 1998. View at: Google Scholar
  5. C. T. Le and J. R. Boen, Health and Numbers: Basic Biostatistical Methods, John Wiley, Chichester, 1995.
  6. W. Amogne, A. Reja, and A. Amare, “Diabetic foot disease in Ethiopian patients: a hospital based study,” Ethiopian Journal of Health Development, vol. 25, no. 1, pp. 17–21, 2011. View at: Publisher Site | Google Scholar

Copyright © 2018 Beverly T. Rodrigues et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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