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Prevalence and clinical implications of painful diabetic peripheral neuropathy in type 2 diabetes: Results from a nationwide hospital-based study of diabetic neuropathy in Korea

  • Sang Soo Kim
  • , Jong Chul Won
  • , Hyuk Sang Kwon
  • , Chong Hwa Kim
  • , Ji Hyun Lee
  • , Tae Sun Park
  • , Kyung Soo Ko
  • , Bong Yun Cha
  • Pusan National University
  • Inje University
  • Sejong General Hospital
  • Catholic University of Daegu
  • Jeonbuk National University
  • The Catholic University of Korea

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

Aims: To determine the prevalence and risk factors for painful diabetic peripheral neuropathy (PDPN) and evaluate sleep impairment and quality of life in patients with PDPN. Methods: Data from the Korean Diabetes Association Neuropathy Study Group were used to evaluate 3999 patients with type 2 diabetes. PDPN was diagnosed using visual analogue scales (VAS) and medical history. The patients were asked to answer the Brief Pain Inventory-Short Form (BPI-SF), Medical Outcomes Study Sleep (MOS-Sleep) Scale, EuroQol (EQ-5D), and VAS. Results: Among the patients with diabetic peripheral neuropathy (n= 1338), 577 (43.1%) were diagnosed with PDPN (14.4% of all patients with type 2 diabetes). PDPN was independently associated with age, female gender, fasting plasma glucose, hypertension, and previous cerebrovascular events. All pain severity and interference measures were higher in patients with PDPN than in non-PDPN patients, and patients with PDPN reported more impaired sleep and lower EQ-5D and VAS scores. Conclusions: The prevalence of PDPN in Koreans was comparable to that in Western populations. PDPN may impair sleep and quality of life compared with non-PDPN, and physicians should carefully consider pain symptoms in patients with diabetic peripheral neuropathy.

Original languageEnglish
Pages (from-to)522-529
Number of pages8
JournalDiabetes Research and Clinical Practice
Volume103
Issue number3
DOIs
StatePublished - Mar 2014

Bibliographical note

Funding Information:
All authors declare they have no conflicts of interest. This study was sponsored by Pfizer Pharmaceuticals Korea Ltd. and supported by the Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science, and Technology ( 2010-0020224 ). This work was also supported by the Inje Research and Scholarship Foundation in 2012 (J.C.W.). S.S.K. and J.C.W. collected data, contributed to discussions, and wrote and edited the manuscript. K.S.K. collected data, contributed to discussions, and reviewed the results. H.S.K., C.H.K., J.H.L., T.S.P., and B.Y.C. contributed to discussions and reviewed the results. K.S.K. is the guarantor of this work and, as such, had full access to all data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. We fully acknowledge the participating investigators in Korea and active members of the Korean Diabetic Neuropathy Study Group. We especially thank Professor Ki Jun Song (Department of Biostatistics, Yonsei University College of Medicine, Korea) for performing the statistical analysis and Hyo Jin Kim (Pfizer Pharmaceuticals Korea Ltd.) for assistance of study process.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Diabetic neuropathy
  • Pain
  • Painful diabetic peripheral neuropathy
  • Quality of life
  • Type 2 diabetes

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