Coronavirus and cardiovascular manifestations- getting to the heart of the matter

Table 1 Cardiac involvement in coronavirus disease 2019 patients among various studies

Ref.	Study type	Number of patients	Cardiac involvement	Cardiovascular comorbidities
Wang et al[2]	Case series	138	7.2%	Diabetes (10.1%); Hypertension (31.2%); CVD (14.5%); CVA
Huang et al[4]	Prospective	41	12%	Hypertension
Guo et al[8]	Retrospective	187	27.8%	Hypertension (32.6%); Diabetes (15%); CVD (11.2%); Cardiomyopathy (4.3%)
Zhou et al[12]	Retrospective	191	17%	Hypertension (30%); Diabetes (19%); CAD (8%)
Shi et al[25]	Descriptive	416	19.7%	Hypertension (30.5%); Diabetes (14.4%); CVA (5.3%); CAD (10.6%)
Yang et al[33]	Retrospective, observational study	52	23%	Diabetes (17%); CVD (10%); CVA (13.5%)

CVD: Cardiovascular disease; CVA: Cardiovascular accident.

Table 2 Modified venous thrombo-embolism score for risk stratification in pulmonary embolism/deep vein thrombosis

VTE risk factor	VTE risk score
Previous VTE	3
Known thrombophilia1	2
Current lower limb paralysis or paresis	2
History of cancer	2
ICU/CCU stay	1
Complete immobilization > 24 h	1
Age > 60 yr	1

¹Congenital or acquired.

VTE: Venous thromboembolism; ICU: Intensive care unit; CCU: Coronary care unit.