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Table 2 Adjusted predicted probabilities and risk ratios for relationship between RA and diabetes testing (N = 256,331)*

From: Monitoring diabetes in patients with and without rheumatoid arthritis: a Medicare study

  Unadjusted testing
(%)
Adjusted predicted probability
(%)
95% CI Odds ratio 95% CI
Receipt of ≥2 A1c test
DM no RA 56.9 57.1 56.9 to 57.3 Referent  
DM + RA 51.8 53.2 51.8 to 54.5 0.84 0.80 to 0.89
Receipt of ≥1 LDL test
DM no RA 76.7 76.7 76.5 to 76.8 Referent  
DM + RA 75.5 77.8 76.8 to 78.8 1.08 1.01 to 1.16
  1. *Models also adjusted for age, gender, race/ethnicity, Medicaid buy-in, RUCA code, HCC quartile, hospitalization in a three-year period, specific co-morbidities including diabetes complications, hyperlipidemia, chronic kidney disease, CVD, orthopedic surgeries, gait device, PCP visits and total providers.