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Table 5 Model Generated from Clinically Defined Predictors

From: Models solely using claims-based administrative data are poor predictors of rheumatoid arthritis disease activity

Effect

Estimate

Standardized Est

Intercept

4.639526

0

Baseline Visit Count

0.001981

0.02366

Baseline RDCI Score

0.005026

0.00521

Baseline Labtest Days for Chem Panel

-0.001423

-0.0026

Baseline Primary Care Visit Count

0.005222

0.01475

Baseline Occupational Visit Count

0.010707

0.01553

Bupropion Rx in Baseline (Y/N)

0.106174

0.0135

Distinct VA Drug Class Rx

0.030526

0.13957

Joint Injection Count

0.019454

0.0097

Rheumatism, Unspecified And Fibrosis Dx Count (ICD:729)

0.008102

0.00519

Baseline Surgery Count

-0.058006

-0.0162

Days End of Prednisone

-0.000912

-0.09845

Days End of Sulfasalazine

-0.000063599

-0.00505

Baseline PDC for Etanercept

-0.152669

-0.02073

Days Start of Golimumab

-0.001374

-0.00927

Baseline PDC for Non-Biologic DMARDs

-0.708075

-0.16342

Start Methotrexate in 14 Days after Index Date (Y/N)

0.077462

0.01148

Start Leflunomide in 14 Days after Index Date (Y/N)

0.073709

0.00598

Start in TNFi Biologic DMARDs in 14 Days after Index Date (Count of distinct Rx)

0.542521

0.06171

Start in Non-Biologic DMARDs in 14 Days after Index Date (Count of distinct Rx)

0.380811

0.09612

Start in Steroid in 14 Days after Index Date (Count of distinct Rx)

0.45952

0.06632

Rheumatism, Unspecified And Fibrosis Dx (ICD:729) (Y/N)

0.003294

0.00075

Baseline Labtest for Chem Panel (Y/N)

-0.482788

-0.0294

Baseline Labtest for RF (Y/N)

0.022162

0.00714

Baseline Foot Surgery (Y/N)

0.037806

0.01158

Baseline Hand Surgery (Y/N)

0.105081

0.02942

Baseline Occupational Visit (Y/N)

0.116702

0.02344

Baseline Rheumatology Visit (Y/N)

-0.033104

-0.00143

Start in Non-Biologic DMARDs in 14 Days after Index Date (Y/N)

0.340854

0.07459

Start in DMARDs in 14 Days after Index Date (Y/N)

0.590044

0.08356

Baseline Use of Sulfasalazine (Y/N)

0.158241

0.03893

Baseline Use of Rituximab (Y/N)

0.112073

0.00872

Baseline Use of Infliximab (Y/N)

0.003816

0.00057