Frequency of Anti-Rheumatic Drugs Prescribed in Cohort (n=2455)

Anti-rheumatic drug	N (%)
Abatacept	50 (2.0)
Adalimumab	225 (9.2)
Apremilast	7 (0.29)
Azathioprine	166 (6.8)
Belimumab	19 (0.77)
Certolizumab pegol	32 (1.3)
Cyclophosphamide	8 (0.33)
Cyclosporine	125 (5.1)
Etanercept	244 (9.9)
Golimumab	22 (0.90)
Hydroxychloroquine	1210 (49.3)
Infliximab	50 (2.0)
Leflunomide	104 (4.3)
Methotrexate	641 (26.1)
Rituximab	17 (0.69)
Prednisone	1423 (58.0)
Sulfasalazine	182 (7.4)
Tacrolimus	36 (1.5)
Tocilizumab	28 (1.1)
Tofacitinib	18 (0.7)

Patients may use more than one anti-rheumatic drug.