Table 1.

Case Series and Observational Studies of Cerebrovascular Disease (CVD) Manifestations from COVID-19

	Authors	Type of study	Sample Size	CVD cases
1.	Oxley et al.	Case series	5	5 AIS
2.	Li et al.	Retrospective, observational study	219	10 AIS & 1 ICH
3.	Mao et al.	Retrospective, observational study	214	4 AIS & 1 ICH
4.	Klok et al.	Retrospective, observational study	184	3 AIS
5.	Helms et al.	Retrospective, observational study	58	3 AIS
6.	Avula et al.	Case series	4	4 AIS
7.	Beyrouti et al.	Case series	6	6 AIS and 2 CVT
8.	Morassi et al.	Case series	6	4 AIS and 2 ICH
9.	Varatharaj et al.	Surveillance study	125	57 AIS, 9 ICH, and 1 CNS vasculitis.
10.	Yaghi et al.	Retrospective, cohort study	3,556	32 AIS
11.	Lodigiani et al.	Retrospective, cohort study	388	9 AIS
12.	Helms et al.	Prospective, cohort study	150	2 AIS
13.	Klok et al.	Retrospective, observational study	184	5 AIS
14.	Abdulkadir et al.	Case series	4	4 AIS

Abbreviation: AIS: acute ischemic stroke, ICH: intracranial hemorrhage, CVT: cerebral sinus thrombosis, CNS: central nervous system