The diagnostic accuracy and test-retest reliability of the Dutch PainDETECT and the DN4 screening tools for neuropathic pain in patients with suspected cervical or lumbar radiculopathy

BACKGROUND: It is important to identify neuropathic pain early to guide treatment decisions and prevent chronicity. There is lack of evidence whether the Dutch painDETECT questionnaire and Douleure Neuropathique en 4 questions (DN4) can adequately assess neuropathic pain. METHODS: Patients suspected of cervical or lumbar radiculopathy were eligible for inclusion. The Dutch painDETECT and DN4 were considered as the index tests and were compared to the reference test consisting of the consensus expert diagnosis by using the grading system for neuropathic pain. The index tests and neuropathic pai... Mehr ...