Table 1 Clinical and laboratory characteristics of GCA patients and radiological features of DWI-MRI.
GCA patients | Control cohort | |
|---|---|---|
n = 35 | n = 35 | |
Age (mean ± SD) | 76.2 ± 6.4 years | 75.7 ± 7.6 years |
Female (n, %) | 26 (74.3%) | 26 (74.3%) |
GCA symptoms | ||
New localized headache (n, %) | 27 (77.1%) | |
Scalp/STA tenderness (n, %) | 8 (22.9%) | |
STA decreased pulsation (n, %) | 10 (28.6%) | |
Mouth/jaw pain on mastication (n, %) | 14 (40.0%) | |
Laboratory findings | ||
History of ESR ≥ 50 mm/h (n, %) | 30 (85.7%) | |
ESR (mm/h; mean ± SD) | 62.8 ± 15.5 | |
C-reactive protein (mg/l; mean ± SD) | 77.6 ± 67.9 | |
Hemoglobin (g/dl; mean ± SD) | 12.1 ± 1.3 | |
Platelet count (/nl; mean ± SD) | 408.3 ± 96.7 | |
WBC count (/nl; mean ± SD) | 10.6 ± 3.6 | |
MRI parameters | ||
Scans | n = 37 | n = 38 |
Field strength | ||
1.5 T (n, %) | 17 (46.0%) | 21 (55.3%) |
3 T (n, %) | 20 (54.1%) | 17 (44.7%) |
Slice thickness | ||
2.5 mm (n, %) | 10 (27.0%) | 11 (29.0%) |
3 mm (n, %) | 27 (73.0%) | 27 (71.1%) |
Sequence type | ||
DWI-EPI (n, %) | 30 (81.1%) | 29 (76.3%) |
DTI (n, %) | 5 (13.5%) | 9 (23.7%) |
RESOLVE (n, %) | 1 (2.7%) | – |
RESOLVE DTI (n, %) | 1 (2.7%) | – |
Acute brain infarction (n, %) | 6 (16.2%) | 7 (18.4%) |
