Table 2 Symptoms according to axSpA subgroup.
Symptoms | SpA, 148 patients | r-axSpA, 55 patients (37.2) | nr-axSpA, 70 patients (47.3) |
|---|---|---|---|
History of uveitis | 24 (16.2) | 14 (25.5)¥ | 7 (10)¥ |
History of infection | 32 (21.6) | 5 (9.1)¥ | 23 (32.9)¥ |
Fever at disease onset | 56 (37.8) | 19 (34.5) | 29 (41.4) |
Insidious onset of arthritis | 27 (18.2) | 9 (16.4) | 14 (20) |
Asymmetric arthritis | 125 (84.5) | 44 (80) | 61 (87.1) |
Additive arthritis | 111 (75) | 38 (69.1) | 55 (78.6) |
Spinal pain | 99 (66.8) | 47 (85.5) | 52 (74.3) |
Cervical pain | 62 (41.9) | 30 (54.5) | 32 (45.7) |
Thoracic spine pain | 41 (27.7) | 21 (38.2) | 20 (28.6) |
Low back pain | 99 (66.8) | 47 (85.5) | 52 (74.3) |
Anterior chest pain | 43 (29.1) | 20 (36.4) | 23 (32.9) |
Lateral chest pain | 13 (8.8) | 8 (14.5) | 5 (7.1) |
Total duration of spinal pain (month) | 8 (1–27.8) | 24 (10–54)∆ | 6 (1–18)∆ |
Insidious onset of spinal pain | 66 (44.6) | 29 (52.7) | 37 (52.9) |
Spinal pain with morning stiffness | 85 (57.4) | 32 (58.2) | 53 (75.7) |
Low back pain that increases with rest | 82 (55.4) | 28 (57.1)¥ | 54 (77.1)¥ |
Low back pain that improves with exercise | 91 (61.5) | 35 (71.4) | 56 (80) |
