| RA | UPIA | Others |
---|---|---|---|
Total | 22/31 (71.0) | 11/14 (78.6) | 16/21 (76.2) |
Plasma | 1/31 (3.2) | 0/14 | 0/21 |
Full peripheral blood | 2/21 (9.5) | 3/12 (25.0) | 1/18 (5.6) |
Synovial fluid | 2/30 (6.7) | 1/12 (8.3) | 1/20 (5.0) |
Synovial tissue | 9/27 (33.3) | 0/11 | 2/23 (8.7) |
Plaque | 14/26 (53.8) | 10/13 (76.9) | 11/21 (52.4) |