Table 4 Adjusted correlations between claims-based variables and rheumatoid arthritis records-based index of severity (RARBIS) with and without medication sub-scale
| Â | RARBIS with medication sub-scale | RARBIS without medication sub-scale |
|---|---|---|
Claims-based variables | Partial R 2 | |
Age and gender | 0.08 | 0.05 |
Rheumatologist visits | 0.01 | N/A |
Rehabilitation visits | 0.01 | 0.04 |
Felty's syndrome | 0.01 | 0.03 |
Number of inflammatory Marker tests ordered | 0.14 | 0.08 |
Rheumatoid factor test | 0.02 | 0.04 |
Number of platelet counts ordered | 0.03 | 0.01 |
Number of chemistry panels ordered | 0.01 | 0.02 |
Model R 2 | 0.31 | 0.26 |