CRP and temporal arteritis: Patients with GCA, when compared with those without GCA, had a significantly higher platelet count (median 263 × 109/L vs. 370 × 109/L, p < 0.001, Mann–Whitney U test), CRP (median 8.0 mg/L vs. 41.0 mg/L, p < 0.001, Mann–Whitney U test), and ESR (median 21 mm vs. 58 mm, p < 0.001, Mann–Whitney U test).