Fig. 1From: Understanding the factors that affect the appropriateness of rheumatology referralsRheumatologist -washout results (6 months, 12, 18, 24). In these 6 months, 12 months, 18 months, and 24 months-models we are controlling for the same patient and provider factors as in other models. We found that patient characteristics as well as private insurance (ref: Medicare) were significant at p < .05Back to article page