stroke(5) Intervention(3) thrombectomy.(3) COVID-19(3) management(2) patients(2) Observational cohort study(2) cohorts(2) collected(2) functional(2) therapy(2) Infection(2) cohort study(2) First wave(2) reperfusion(2) baseline characteristics(2) multivariable(2) evaluated(2) Treatment(2) patients evaluated(2) Patient(2) Delay(2) Metrics(2) logistic regressions(2) occurred(2) returned(2) CT angiography(2) Cohort(2) Care(2) single-center(2)