Fig. 1From: HMGB1, NLRP3, IL-6 and ACE2 levels are elevated in COVID-19 with headache: a window to the infection-related headache mechanismSerum levels of inflammatory molecules at hospital admission in COVID-19 patients. HMGB1, NLRP3, ACE2, IL-6 levels were significantly increased in COVID-19 patients with headache (n = 48) compared to COVID-19 patients without headache (n = 40). Angiotensin II level was significantly decreased in COVID-19 patients with headacheBack to article page