Diagnostic Markers | Early RA, n = 99 | Incremental Benefit | Established RA, n = 124 | Incremental Benefit |
---|---|---|---|---|
ACPA+ | 58 (59) | — | 98 (79) | — |
RF+ | 56 (57) | — | 105 (85) | — |
14-3-3η+ | 63 (64) | — | 95 (77) | — |
ACPA and/or RF+ | 71 (72) | 22 | 109 (88) | 11 |
RF and/or 14-3-3η+ | 74 (75) | 32 | 117 (94) | 11 |
ACPA and/or 14-3-3η+ | 71 (72) | 22 | 119 (96) | 22 |
ACPA and/or RF and/or 14-3-3η+ | 77 (78) | 8 | 119 (96) | 9 |
RF: rheumatoid factor; ACPA: anticitrullinated protein antibodies; RA: rheumatoid arthritis.