Reasons for discordance | Satisfied effectiveness algorithm, did not meet effectiveness gold standard (false-positives) (n= 19) | Did not satisfy effectiveness algorithm, met effectiveness gold standard (false-negatives) (n= 23) |
---|---|---|
Presumed reasons for not meeting gold standard, obtained from medical record review | Â | Â |
   Biologic change deferred in light of concerns for new/worsened comorbidity | 10 | - |
   Clinically stable or improved and patient/physician satisfied, but DAS and DAS change did not meet gold standard effectiveness criteria | 4 | - |
   Physician recognized inadequate response, but chose to retreat with rituximab only after 1 year | 2 |  |
   Receiving some medications (for example, glucocorticoids) outside of the VHA system | 1 | - |
   Biologic change deferred in light of surgery or procedure | 1 | - |
   Physician recommended biologic change or dose change, but patient declined | 1 | - |
   Noncompliance with nonbiologic RA medications | 1 | - |
Components of the effectiveness algorithm that were not met despite having met the effectiveness gold standard | Â | Â |
   Glucocorticoid dose increase or initiation | - | 15 |
   Added new DMARD(s) | - | 6 |
   Increase in biologic dose and/or frequency | - | 2 |