From: Incidence of giant cell arteritis in Western Norway 1972–2012: a retrospective cohort study
Clinical characteristic | Overall N = 792 | Female N = 566 | Male N = 226 | P value for difference between sexes | |
---|---|---|---|---|---|
Mean age at onset of GCA, years (SD) | 73.1 (8) | 73.5 (8) | 72.1 (9) | 0.041 | |
ACR criteria fulfilled, persons, n (%) | 792 (100) | 566 (100) | 226 (100) | ||
Age ≥50 years at disease onset, n (%) | 788 (99.5) | 564 (99.6) | 224 (99.1) | 0.322 (Fisher) | |
New onset headache, n (%) | 573 (72.3) | 405 (71.6) | 168 (74.3) | 0.897 | |
Temporal artery tenderness, n (%) | 365 (46.1) | 256 (45.2) | 109 (48.2) | 0.390 | |
Decreased temporal pulse, n (%) | 227 (28.7) | 168 (29.7) | 59 (26.1) | 0.416 | |
ESR ≥50 mm/h, n (%) | 717 (90.5) | 510 (90.1) | 207 (91.6) | 0.351 | |
Biopsy showing vasculitis, n (%) | 528 (66.7) | 378 (66.8) | 150 (66.4) | 0.984 | |
Giant cells in biopsy, n (%) | 243 (30.7) | 185 (32.7) | 58 (25.7) | 0.137 | |
Jaw claudication, n (%) | 181 (22.9) | 134 (23.7) | 47 (20.8) | 0.763 | |
Polymyalgia rheumatica, n (%) | 242 (30.6) | 192 (33.9) | 50 (22.1) | 0.008 | |
Peripheral arthritis, n (%) | 32 (4.0) | 23 (4.1) | 9 (4.0) | 0.760 | |
Visual disturbance, n (%) | 146 (18.4) | 103 (18.2) | 43 (19.0) | 0.786 | |
Blindness in one or both eyes, n (%) | 32 (4.0) | 23 (4.1) | 9 (4.0) | 0.958 | |
Scalp necrosis, n (%) | 6 (0.8) | 4 (0.7) | 2 (0.9) | 0.679 (Fisher) | |
Mean ESR, mm/h (SD) | N = 782a | 84.6 (27) | 84.2 (28) | 85.7 (27) | 0.483 |
Mean CRP, mg/L (SD) | N = 601a | 91.2 (63) | 88.3 (62) | 99.2 (65.3) | 0.059 |