COVID-19(12) coronavirus(6) SARS-CoV-2(6) Patient(5) risk(5) age(4) retrospective(4) Older(4) confounders(4) conducted(4) Intracerebral hemorrhage(3) therapy(3) SARS-CoV-2.(3) disease(3) reported(3) multifactorial(3) coronavirus disease(3) Inflammation(3) patients(3) with COVID-19(3) Seizures(3) male(3) Encephalopathy(3) patients with COVID-19(3) neurological(3) Brain(3) Confusion(2) cause(2) occurred(2) acute respiratory syndrome(2)