Prevalence of Specific Types of Chronic Pain Diagnosis in Adult Patients: A Review

Among chronic pain diagnoses low back pain, joint pain, and headache dominate worldwide. Prevalence rates of specific types varies across countries, study design, methodology and research population. We postulate that broad variation in prevalence rates is most likely to be related also to the types of the prevalence that is usually missing or inconsistently addressing in the reviewed articles. Demographic and social-economic factors: sex, age, education level, marital and employments status and income were predictors of or associated with CP, however data in the reviewed literature were contradictory. Some specific types of CP were age and gender defendant.