Figure 3 – Diabetes, Vitamin Deficiency, Endocrine Abnormalities, and Alcohol Use Do Not Fully Explain LC Neuropathy.

Boxplot of A) Hemoglobin A1C, B) Vitamin B6, C) Vitamin B12, and D) TSH by small fiber neuropathy status. Gray dotted lines denote clinical cut-offs for abnormal low and high status. E) Percentage of patients in each small fiber neuropathy group with laboratory values outside normal reference ranges for tests shown in panels A-D. F) Distribution of alcohol consumption patterns (by average weekly drink count) across small fiber neuropathy groups, showing percentage of patients in each consumption category.