Impact of pain on quality of life, anxiety, depression and sleep in diabetic patients.

<p>A : Comparisons of the physical and mental scores of the SF-12 questionnaire between patients with (gray columns) and without (hatched columns) chronic pain and B : between patients with chronic pain with (white columns) and without neuropathic characteristics (black columns). C : Comparisons of the anxiety and depression HADS scores between patients with (gray columns) or without (hatched columns) chronic pain and D : between patients with chronic pain with (white columns) and without neuropathic characteristics (black columns). E : Comparisons of the MOS-Sleep score between patients with (gray columns) and without (hatched columns) chronic pain and F : between patients with chronic pain with (white columns) and without neuropathic characteristics (NC) (black columns). **p<0.01; ***p<0.001.