chronic pain
Conditions
Interventions
Gold Standard:numerical rating scale, NRS
index 
extrcted 
from 
by 
HXD-1
Sponsors
Department of Pain Medicine, Peking University People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. chronic pain outpatients aged 18 and 80 years old; 2. NRS =4 at first visit; 3. chronic pain outpatients receiving injection therapy; 4. accepted this trial voluntarily and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. patients with central nervous system diseases, such as epilepsy, cerebral infarction or cerebral hemorrhage; 2. patients with mental disorders; 3. patients with a long history of using psychiatric drug; 4. those who can't understand NRS.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| reliability;validity;Sensitivity;specificity; | — |
Secondary
| Measure | Time frame |
|---|---|
| the influence of anxiety and depression on PI; | — |
Countries
China
Contacts
Public ContactYi Feng
Peking University People's Hospita
Outcome results
None listed