Table 1.

Hypertension, diabetes and other co-morbidities in COVID-19, world-wide data.

First author	n	Smokers, %	HTN, %	Diabetes, %	CVD, %	COPD, %	CKD, %	CLD, %	Ref.
COVID-19 in China
Liu et al.	61	6.6	19.7	8.2	1.6	8.2	NR	NR	3
Guan et al.	1099	12.6	15.0	7.4	3.8	1.1	0.7	NR	4
Huang et al.	41	7.3	14.6	19.5	15.0	2.4	NR	2.4	5
Chen et al.	99	NR	NR	12.1	40.0	1.0	NR	NR	6
Wang et al.	138	NR	31.2	10.1	19.6	2.9	2.9	2.9	7
Zhou et al.	191	6.0	30	19	8.0#	3.0	1.0	NR	8
Zhang et al.	140	NR	30	12.1	8.6	1.4	1.4	NR	9
Yang et al.	52	4.0	NR	17.0	23.0	8.0	NR	NR	10
Wu et al.	201	NR	19.4	10.9	4.0	2.5	1.0	3.5	11
Guo et al.	187	9.6	32.6	15.0	11.2#	2.1	3.2	NR	14
Overall, China, N = 2209		10.7%	20.7%	10.5%	7.4%	2.0%	1.2%	3.2%
COVID-19 in Italy
Onder et al.	355	NR	NR	35.5	42.5	NR	NR	NR	12
COVID-19 in Singapore
Young et al.	18	NR	NR	NR	NR	NR	NR	NR	13
# reported coronary heart disease only, HTN- hypertension, CVD- cardiovascular disease, COPD- chronic obstructive pulmonary disease, CKD- chronic kidney disease, CLD- chronic liver disease, NR- not reported, Ref.- references