Patient characteristics
| Patient number | Sex | Age | Site* | Duration of RA | Treatment* |
| A Patients with RA providing synovial biopsy specimens at arthroscopy | |||||
| RA-1 | F | 55 | Elbow | 8 mo | NSAID |
| RA-2 | M | 30 | Knee | 9 mo | NSAID |
| RA-3 | M | 25 | Knee | 4 mo | NSAID |
| RA-4 | F | 76 | Knee | 8 mo | NSAID, AUR |
| RA-5 | F | 56 | Knee | 9 mo | NSAID |
| RA-6 | F | 44 | Knee | 5 mo | NSAID |
| RA-7 | F | 46 | Knee | 8 mo | NSAID |
| RA-8 | M | 22 | Knee | 1 mo | NSAID |
| RA-9 | M | 55 | Knee | 4 mo | NSAID |
| RA-10 | M | 80 | Knee | 1 mo | NSAID, SSA |
| RA-11 | F | 54 | Knee | 2 mo | NSAID |
| RA-12 | F | 42 | Knee | 1 y | AUR |
| RA-13 | F | 47 | Knee | 5 mo | NSAID |
| RA-14 | F | 47 | Knee | 1.5 y | NSAID, SSA |
| RA-15 | F | 52 | Knee | 1.5 y | Pred |
| RA-16 | F | 48 | Knee | 27 y | NSAID, Pred |
| RA-17 | F | 34 | Knee | 8 y | MTX |
| RA-18 | F | 45 | Knee | 6 y | MTX |
| RA-19 | F | 27 | Knee | 6 y | MTX |
| RA-20 | M | 48 | Knee | 29 y | SSA |
| B Patients with RA providing synovial specimens at surgery | |||||
| RA-21 | M | 66 | MTP1 | 46 y | NSAID, CsA |
| RA-22 | F | 69 | MTP1 | 10 y | MTX |
| RA-23 | F | 43 | MTP1 | 8 y | None |
| RA-24 | F | 71 | MTP1 | 28 y | NSAID, Pred, MTX |
| RA-25 | F | 58 | MTP1 | 37 y | NSAID |
| RA-26 | F | 51 | MTP1 | 13 y | NSAID, Pred, MTX |
| RA-27 | F | 62 | MTP1 | 12 y | NSAID, AMA |
| RA-28 | F | 79 | MTP1 | 17 y | NSAID, Pred |
| RA-29 | F | 69 | MTP1 | 37 y | NSAID, |
| RA-30 | F | 42 | MTP1 | 12 y | CsA, Pred |
| RA-31 | F | 72 | Knee | 32 y | NSAID, Pred |
| RA-32 | F | 37 | MTP1 | 15 y | NSAID |
| RA-33 | F | 45 | Hip | 11 y | NSAID |
| RA-34 | F | 84 | Hip | 22 y | NSAID, Pred |
| RA-35 | F | 54 | Hip | 26 y | NSAID |
| RA-36 | F | 66 | Hip | 17 y | None |
| RA-37 | F | 86 | Knee | 30 y | None |
| RA-38 | F | 57 | Knee | 23 y | NSAID |
| RA-39 | F | 57 | Knee | 23 y | NSAID |
| RA-40 | F | 49 | Hip | 23 y | NSAID |
| C Controls with hallux valgus | |||||
| HV-41 | M | 77 | MTP1 | None | |
| HV-42 | F | 55 | MTP1 | None | |
| HV-43 | M | 82 | MTP1 | None | |
| HV-44 | F | 54 | MTP1 | None | |
| HV-45 | F | 49 | MTP1 | None | |
| HV-46 | F | 22 | MTP1 | None | |
| HV-47 | F | 76 | MTP1 | None | |
| HV-48 | F | 53 | MTP1 | None | |
NSAID = non-steroidal anti-inflammatory drug; AUR = auranofin; SSA = sulfasalazine; Pred = prednisone 5 mg; MTX = methotrexate; CsA = cyclosporin A; AMA = antimalarial drug; MTP1 - first metatarsophalangeal joint.