Items | Duration At least 16 days in the past month | Severity If present, moderate/severe | Impact If present, moderate/high impact | |||||||||
ACPA+ | RF+ | Seronegative | FDR | ACPA+ | RF+ | Seronegative | FDR | ACPA+ | RF+ | Seronegative | FDR | |
Joint pain | 37 | 38 | 72 | 22 | 63 | 74 | 72 | 42 | 51 | 44 | 56 | 42 |
Joint swelling | 7 | 13 | 19 | 6 | 59 | 60 | 54 | 33 | 44 | 67 | 57 | 67 |
Joint stiffness | 38 | 34 | 68 | 22 | 66 | 65 | 73 | 57 | 48 | 35 | 51 | 29 |
Burning sensations | 11 | 15 | 21 | 6 | 69 | 75 | 60 | 80 | 56 | 63 | 48 | 40 |
Tingling sensations | 10 | 8 | 19 | 6 | 57 | 78 | 45 | 75 | 43 | 44 | 29 | 25 |
Numbness | 9 | 4 | 11 | 11 | 53 | 33 | 48 | 100 | 44 | 25 | 39 | 50 |
Change in skin colour | 3 | 6 | 11 | 17 | 27 | 50 | 50 | 67 | 13 | 17 | 38 | 33 |
Muscle cramps | 5 | 9 | 7 | 0 | 68 | 46 | 38 | 42 | 37 | 23 | 17 | 0 |
Weakness or loss of strength | 35 | 21 | 35 | 22 | 64 | 63 | 66 | 50 | 55 | 48 | 52 | 33 |
Fatigue | 39 | 28 | 33 | 28 | 84 | 63 | 63 | 64 | 70 | 57 | 53 | 46 |
Emotional distress | 10 | 11 | 19 | 17 | 55 | 42 | 54 | 70 | 49 | 29 | 46 | 30 |
Concentration difficulties | 17 | 9 | 14 | 0 | 64 | 56 | 65 | 29 | 56 | 33 | 61 | 14 |
Sleep problems | 27 | 15 | 40 | 22 | 80 | 64 | 72 | 50 | 60 | 36 | 53 | 25 |