Table 2

Comparison between patients with and without ILD events

With ILD events (n=17)Without ILD events (n=146)p Value
Age—years66.4±9.560.3±12.10.071
Gender—male/female—N6/1141/1050.575
Stage of RA
 Stage2.3±1.02.4±1.00.607
 Class2.1±0.42.1±0.60.589
Patients with pre-existing ILD—N (%)14 (82)44 (30)<0.001
Biological therapy—N (%)
 TNF inhibitors15 (88)87 (60)0.031
  Adalimumab1 (6)5 (3)0.489
  Etanercept9 (53)54 (37)0.292
  Infliximab5 (29)28 (19)0.342
 Non-TNF inhibitors2 (12)59 (40)0.031
Anti-IL-6 receptor antibody
 Tocilizumab2 (12)34 (23)0.367
CTLA4-Ig
 Abatacept0 (0)25 (17)0.077
  • Plus-minus values are means±SD.

  • CTLA4-Ig, cytotoxic T-lymphocyte antigen 4-immunoglobulin; ILD, interstitial lung disease; RA, rheumatoid arthritis; TNF, tumour necrosis factor.