Clinical utility of the DN4 questionnaire in the assessment of neuropathic pain in patients with type 2 diabetes: experience from a newly-created diabetes clinic in Cameroon

INTRODUCTION: Early diagnosis of peripheral neuropathy in people with diabetes mellitus is important. Screening tools are either expensive or cumbersome, and thus impractical in low-resource settings. The DN4 questionnaire is a simple alternative. We assessed the performance of the DN4 Questionnaire in detecting neuropathic pain associated with diabetic peripheral neuropathy in patients with type 2 diabetes.