Table 1

Selected studies with description of myocardial injury in COVID-19

StudyLocationn for total cohortAge (years)Pre-existing cardiac diseaseDefinition of myocardial injury used in studyPer cent with myocardial injury
Wang et al 6 Wuhan, China138Median 56.0 (IQR 42.0–68.0)15% cardiovascular disease
31% hypertension
Cardiac injury=troponin I above 99th percentile upper reference limit or new abnormalities on electrocardiography or echocardiography7.2
Huang et al 4 Wuhan, China41Median 49.0 (IQR 41.0–58.0)15% cardiovascular disease
15% hypertension
Cardiac injury=troponin I above 99th percentile upper reference limit or new abnormalities on electrocardiography or echocardiography12
Wei et al (current study)1 Sichuan, China101Median 49.0 (IQR 34.0–62.0)5% coronary artery disease
21% hypertension
Myocardial injury=high-sensitivity troponin T greater than institutional upper limit of normal15.8
Zhou et al 7 Wuhan, China191Median 56.0 (IQR 46.0–67.0)8% coronary heart disease
30% hypertension
Cardiac injury=high-sensitivity troponin I above 99th percentile upper reference limit or new abnormalities on electrocardiography or echocardiography17
Shi et al 5 Wuhan, China416Median 64.0 (range 21.0–95.0)4% chronic heart failure
11% coronary heart disease
31% hypertension
Cardiac injury=troponin I above 99th percentile upper reference limit, regardless of new abnormalities on electrocardiography or echocardiography19.7
Guo et al 3 Wuhan, China187Mean 58.5±14.74% cardiomyopathy
11% coronary heart disease
33% hypertension
Myocardial injury=troponin T above 99th percentile upper reference limit27.8