Fig. 1
From: Avoiding Catch-22: validating the PainDETECT in a population of patients with chronic pain
Flow diagram for the validation of the PainDETECT-Dlv . PA: Physicians’ assessment; GS: Neuropathic pain special interest group Grading System; Present-NePC: Neuropathic pain component present; Undetermined: both physicians disagree with each other about the presence of a neuropathic pain component; Absent-NePC: No neuropathic pain component present; n = number of patients in analysis