Table 2.
Clinical Parameters Predicting the Diagnosis of GCA.
| GCA | non-GCA | p value | |
|---|---|---|---|
| positive/negative/missing | positive/negative/missing | ||
| Headache | 12/4/0 | 9/4/0 | 1.0 |
| Fever >37°C | 12/4/0 | 11/1/1 | 0.355 |
| Malaise | 11/4/1 | 10/1/2 | 0.317 |
| Weight loss | 10/5/1 | 2/9/2 | 0.0214 |
| #Weight loss | 10/6 | 4/9 | 0.139 |
| PMR | 3/13/0 | 2/10/1 | 1.0 |
| Visual disturbance | 1/15/0 | 1/11/1 | 1.0 |
| Vertigo/dizziness | 1/14/1 | 1/7/5 | 1.0 |
| Jaw claudication | 6/9/1 | 3/8/2 | 0.683 |
| Arm claudication | 1/13/2 | 0/9/4 | 1.0 |
| Cough | 5/11/0 | 0/12/1 | 0.0525 |
| Dyspnea | 1/15/0 | 0/12/1 | 1.0 |
| Dilatation of TA | 14/2/0 | 7/6/0 | 0.0923 |
| Tenderness of TA | 8/7/1 | 6/7/0 | 1.0 |
| Decreased pulse of TA | 5/10/1 | 1/8/4 | 0.351 |
| Tenderness or decreased pulse of TA | 11/5/0 | 6/4/3 | 0.692 |
| Any abnormality of TA | 14/2/0 | 9/2/2 | 1.0 |
| leukocytosis | 10/6/0 | 11/2/0 | 0.238 |
| Anemia | 14/2/0 | 11/2/0 | 1.0 |
| thrombocytosis | 2/14/0 | 3/10/0 | 0.632 |
| high CRP (≥ 10 mg/dL) | 5/11/0 | 10/3/0 | 0.0253 |
| high ESR (≥ 50 mm/h) | 13/3/0 | 9/4/0 | 0.667 |
| Meeting ACR criteria (≥ 3 items) | 14/2/0 | 9/4/0 | 0.364 |
| LVV on CECT | 9/6/1 | 1/9/3 | 0.0177 |
| #LVV on CECT | 9/7 | 4/9 | 0.264 |
| TAB; vasculitis characterized by predominance of mononuclear cell infiltration | 13/3/0 | 2/11/0 | <0.001 |
| TAB; vasculitis with granulomatous inflammation | 12/4/0 | 0/13/0 | <0.0001 |
| TAB; vasculitis with multinucleated giant cells | 12/4/0 | 0/13/0 | <0.0001 |
PMR: polymyalgia rheumatica, TA: temporal artery, CRP: C-reactive protein, ESR: erythrocyte sedimentation rate, ACR: American College of Rheumatology, LVV on CECT: large vessel vasculitis on contrast-enhanced computed tomography, TAB: temporal artery biopsy, GCA: giant cell arteritis
# Missing data were assumed to be unlikely to produce any significance difference.