Table 1.

Prevalence of cardiovascular complications in COVID-19 studies in China

Study	Country	Study type	No. of patients	DM	TD	CVD	%CVD	Reference
Guan et al., 2020	China	Retrospective	1099	81	15	192	17	[12]
Shaobo Shi et al., 2020	China	Cohort study	416	60	57	209	50	[47]
Chen T et al., 2020	China	Retrospective case series	274	47	113	116	42	[18]
Yuan Yu et al., 2020	China	prospective observation	226	47	87	128	57	[63]
Chaomin Wu et al., 2020	China	Retrospective cohort study	201	22	44	47	24	[64]
Tao Guo, et al., 2020	China	Retrospective single-center case series	187	28	43	127	68	[6]
Fei Zhou et al., 2020	China	Retrospective cohort study	191	36	54	73	38	[14]
Dawei Wang et al., 2020	China	Retrospective single-center case series	138	14	6	43	46	[17]
Huang et al., 2020	China	Prospective observation	41	8	6	12	29	[65]
Prevalence of cardiovascular complications in COVID-19 studies outside China
Marcello et al.	U.S.A.	Retrospective cohort	6248	1686	1874	1312	21	[66]
Karmen-Tuohy et al.	U.S.A.	Case-control	63	12	23	17	27	[67]
Chhiba et al.	U.S.A.	Retrospective cohort	1526	505	401	114	7	[68]
Grasselli et al.	Italy	Retrospective cohort	1,591	180	509	223	14	[69]
Myers et al., 2020	Northern California, U,S.A.	Retrospective cohort	377	118	164	22	6	[70]
College of Health et al., 2020 (originally written COVID-19) Surveillance Group	Italy	Retrospective cohort	29,692	870	1940	2204	8	[71]
Richardson et al., 2020	U.S.A.	Retrospective case series	5700	1808	3026	996	17	[72]

DM; Diabetes Mellitus, TD; Total death, CVD cardiovascular disorders