Demographic data of KALIBRA subjects at baseline (n=12)
| Mean (%) | |
| Age | 49.9 |
| Sex (F) | 10 (83) |
| RF/ACPA + | 10 (83) |
| Methotrexate | 4 (33) |
| Other DMARD | 8 (67) |
| Prednisolone | 2 (17) |
| NSAID | 8 (67) |
| Previous biological therapy | 3 (25) |
ACPA, anti-citrullinated peptide antibody; DMARD, disease-modifying antirheumatic drug; NSAID, non-steroidal anti-inflammatory drug; RF, rheumatoid factor.