Table 1 Attrition table for model development
Inclusion/exclusion criteria | Population and encounters | |
|---|---|---|
1. | VARA registry patients April 1, 2015 | 2161 Veterans, 25,464 Encounters |
2. | At least one valid DAS28 | 2063 Veterans, 19,064 Encounters |
3. | Study period of interest (Jan 1, 2006 to Dec 31, 2014) | 2002 Veterans, 17,000 Encounters |
4. | Meet 365 days of enrollment criteria with ≥2 visits during baseline period | 1976 Veterans with index date |
5. | Remove patients with cancer | 1631 Veterans |
6. | Remove patients with transplant | 1631 Veterans |
7. | No other autoimmune disorders | 1582 Veterans |