Risk factors for lumbosacral radiculoplexus neuropathy

Marcus V. Pinto, Peng Soon Ng, Ruple S. Laughlin, Prabin Thapa, Catarina Aragon Pinto, Shahar Shelly, Kamal Shouman, Peter J. Dyck, P. James B. Dyck

Research output: Contribution to journalArticlepeer-review


Introduction/Aims: Recently, our group found an association between diabetes mellitus (DM) and lumbosacral radiculoplexus neuropathy (LRPN) in Olmsted County, Minnesota; we found a higher risk (odds ratio [OR], 7.91) for developing LRPN in diabetic compared with nondiabetic patients. However, the influence of other comorbidities and anthropomorphic variables was not studied. Methods: Demographic and clinical data from 59 LRPN patients and 177 age/sex-matched controls were extracted using the Rochester LRPN epidemiological study. Differences between groups were compared by chi-square/Fisher exact test or Wilcoxon rank-sum test. Uni- and multivariate logistic regression analysis were performed. Results: Factors predictive of LRPN on univariate analysis were DM (OR, 7.91; 95% confidence interval [CI], 4.11-15.21), dementia (OR, 6.36; 95% CI, 1.13-35.67), stroke (OR, 3.81; 95% CI, 1.32-11.01), dyslipidemia (OR, 2.844; 95% CI, 1.53-5.27), comorbid autoimmune disorders (OR, 2.72; 95% CI, 1.07-6.93), hypertension (OR, 2.25; 95% CI, 1.2-4.13), obesity (OR, 2.05; 95% CI, 1.11–3.8), body mass index (BMI) (OR, 1.1; 95% CI, 1.04-1.15), and weight (OR, 1.02; 95% CI, 1.009-1.037). On multivariate logistic regression analysis only DM (OR, 8.03; 95% CI, 3.86-16.7), comorbid autoimmune disorders (OR, 4.58; 95% CI, 1.45-14.7), stroke (OR, 4.13; 95% CI, 1.2-14.25), and BMI (OR, 1.07; 95% CI, 1.01-1.13) were risk factors for LRPN. Discussion: DM is the strongest risk factor for the development of LRPN, followed by comorbid autoimmune disorders, stroke, and higher BMI. Altered metabolism and immune dysfunction seem to be the most influential factors in the development of LRPN.

Original languageEnglish (US)
Pages (from-to)593-598
Number of pages6
JournalMuscle and Nerve
Issue number5
StatePublished - May 2022


  • diabetes mellitus
  • lumbosacral plexopathy
  • lumbosacral radiculoplexus neuropathy
  • vasculitis

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)


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