Figure 4From: A modified score to identify and discriminate neuropathic pain: a study on the German version of the neuropathic pain symptom inventory (NPSI) Results of a cluster analysis for patients with neuropathic pain. The graph shows mean values and 95% confidential intervals of item responses for a 6-cluster solution. The profiles of clusters 1, 2 and 5 are mutually different with statistical significance (p < 0.05 after adjustment for multiple comparisons). x-axis: numerical rating scale (NRS), pain intensity on a 11-point numerical rating scale (0 - 10).Back to article page