From: Predicting the quality of life based on pain dimensions and psychiatric symptoms in patients with Painful diabetic neuropathy: a cross-sectional prevalence study in Iranian patients
Depression category
Range
No. of patients
Percentage (%)
Non depression
0–13
412
36.8
Mild depression
14–19
186
16.6
Moderate depression
10–28
328
29.3
Severe depression
29–63
194
17.3