Chronic inflammatory demyelinating polyneuropathy associated with diabetes: a European multicentre comparative reappraisal

Yusuf A Rajabally*, Stojan Peric, Mina Cobeljic, Saadia Afzal, Ivo Bozovic, Aleksa Palibrk, Ivana Basta

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


INTRODUCTION: The association between chronic inflammatory demyelinating polyneuropathy (CIDP) and diabetes is uncertain despite important diagnostic and management implications.

METHODS: We retrospectively analysed two European cohorts, totaling 257 patients with 'definite' or 'probable' CIDP, from Serbia and Birmingham, UK.

RESULTS: Diabetes was present at CIDP diagnosis in 25/139 (18%) subjects in the Serbian cohort and in 23/118 (19.5%) in the UK cohort. In both cohorts, diabetes prevalence was higher than local general population prevalence rates (RR: 2.09; 95% CI 1.39 to 2.95 and RR: 2.22; 95% CI 1.46 to 3.17, respectively). Considering typical CIDP only, diabetes prevalence was greater than expected in both cohorts (RR: 2.58; 95% CI 1.60 to 3.82 and RR: 2.68; 95% CI 1.71 to 3.87, respectively). CIDP with diabetes occurred later in life than CIDP without diabetes (58.96 years, SD: 11.09 vs 51.71 years, SD: 16.02; p=0.003) and presented more frequently in the typical form than in patients without diabetes (79.2% vs 61.2%; p=0.02). Baseline Inflammatory Neuropathy Cause and Treatment disability scores were similar in patients with and without diabetes (p=0.90). Proportions of treatment responders were similar in both groups (70% vs 74.9%; p=0.65), as were response amplitudes (p=0.87).

DISCUSSION: Our results, both for all CIDP and typical CIDP presentations, support a twofold increased relative risk of diabetes compared with the general population. CIDP with diabetes appears to present older and more frequently in the typical form, as compared with CIDP without diabetes. CIDP with diabetes appears similar to CIDP without diabetes in disability levels at diagnosis and probability, as well as amplitude of treatment response.

Original languageEnglish
Pages (from-to)1100-1104
Number of pages5
JournalJournal of Neurology, Neurosurgery and Psychiatry
Issue number10
Early online date31 Aug 2020
Publication statusPublished - 1 Oct 2020


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