Patient baseline demographic and disease characteristics by treatment group
| Characteristics | IFX (n=69) | RTX (n=121) | P value |
| Age (years), median (IQR) | 51 (40–60) | 59 (50–72) | <0.001 |
| Sex (male), n (%) | 30 (43.5) | 20 (16.5) | <0.001 |
| At least one comorbidity, n (%) | 4 (5.8) | 15 (12.4) | 0.209 |
| Type of immune-mediated disease, n (%) | <0.001 | ||
| Rheumatoid arthritis | 17 (24.6) | 76 (62.8) | |
| Spondyloarthritis | 45 (65.2) | 0 (0) | |
| Other | 7 (10.2) | 45 (37.2) |
IFX, infliximab; IQR, Interquartile Range; RTX, rituximab.