Refine target cohort: wrist arthritis

[kmkostka]

Persons in the main target cohort for all surgically managed wrist arthritis will:
● have a record of a first surgery for wrist arthritis (index event)

• Initial draft of cohort
• Run on sites
• Modifications per site or clinical input

[kmkostka]

Versions:

• With 365 day prior
• Without 365 day prior
• Target Cohort 1: Index event: first surgery for wrist arthritis, Follow-up: 30 days after the index event.
• Target Cohort 2: Index event: first surgery for wrist arthritis, Follow-up: 90 days after the index event.
• If follow up allows Target Cohort 3: Index event: first surgery for wrist arthritis, Follow-up: 365 days after the index event.
• If follow up allows Target Cohort 4: Index event: first surgery for wrist arthritis, Follow-up: 1825 days after the index event.