Table 2 Inclusion and exclusion criteria used in claims-based definitions of RA
Description | Code | Frequency in 12 monthly claims |
|---|---|---|
Inclusion criteria | ||
1 Condition code of RA without “suspect” flag | 1A | in 1 one or more monthly claims |
1B | in 1 inpatient monthly claim or 2 or more outpatient monthly claims | |
2 Prescription of any DMARD | 2A | in 1 or more monthly claims |
2B | in 2 or more monthly claims | |
3 Prescription of oral corticosteroid | 3A | in 1 or more monthly claims |
3B | in 2 or more monthly claims | |
Exclusion criterion | ||
4 Systemic autoimmune diseases (other than RA) or PMR | 4 | in no claim |