Table 2. Prevalence of depression in patients with chronic pain.

Clinic	Percent prevalence
Pain clinic/inpatient pain programs	52% (1.5%-100%)
Psychiatric clinics	38% (6%-64%)
Orthopedic clinics/rheumatology clinics	56% (21%-89%)
Dental clinics focusing on facial pain	85% (35%-100%)
Gynecology clinics focusing on chronic pelvic pain in laparoscopy patients	13% (12%-17%)
Population based settings	18% (4.7%-22%)
Primary care clinics	27% (5.9%-46%)