Table 2 Summary of patient and treatment characteristics at the start of treatment courses by treatment.

From: Serious infection risk of tofacitinib compared to biologics in patients with rheumatoid arthritis treated in routine clinical care

Variable

TOFa (n = 345 TCs)

bDMARDsa (n = 1893 TCs)

Age (years), median (IQRb)

59 (50–69)

57 (48–66)

 ≥ 50, n (%)

263 (76.2)

1333 (70.4)

 ≥ 65, n (%)

126 (36.5)

522 (27.6)

Female sex, n (%)

270 (78.3)

1413 (74.6)

Seropositivityc, n (%)

226 (67.0d)

1406 (75.7d)

Disease duratione (years), median (IQRb)

8 (4–17)

6 (2–14)

Concomitant csDMARDsf,

175 (50.7)

1313 (69.4)

Concomitant oral GCSg

133 (38.5)

622 (32.9)

Known history of SIh, n (%)

16 (4.6)

47 (2.5)

Delayed entry into risk set, n (%)

  

Start prior to study entry

141 (40.9)

1229 (64.9)

Initially overlapping exposure

63 (18.3)

169 (8.9)

Previous exposure to treatment, n (%)

25 (7.2)

265 (14.0)

Initial dosing regimen, n (%)

  

 5 mg BIDi

273 (79.1)

 

 5 mg ODi

18 (5.2)

 

 10 mg BIDi

11 (3.2)

 

 10 mg ODi

38 (11.0)

 

 Other

5 (1.4)

 

Identity of bDMARD, n (%)

  

 Abatacept

 

314 (16.6)

 Adalimumab

 

227 (12.0)

 Anakinra

 

1 (0.0)

 Certolizumab

 

105 (5.5)

 Etanercept

 

227 (12.0)

 Golimumab

 

174 (9.2)

 Infliximab

 

139 (7.3)

 Rituximab

 

364 (19.2)

 Tocilizumab

 

342 (18.1)

  1. Number of patients: 1687.
  2. aTOF tofacitinib, bDMARDs biologic DMARDs.
  3. bIQR interquartile range.
  4. cRheumatoid factor positivity or presence of CCP antibodies.
  5. dNumber of TCs with available information: 337 for TOF, 1858 for bDMARDs.
  6. eFrom date of diagnosis.
  7. fcsDMARDs conventional synthetic DMARDs.
  8. gGCS: glucocorticosteroids.
  9. hSI: non-fatal serious infection.
  10. iBID twice daily, OD once daily.