Table 1 General characteristics of included studies.

From: Prevalence and prognostic associations of cardiac abnormalities among hospitalized patients with COVID-19: a systematic review and meta-analysis

Study

Month, Year

Study design

Sample size

Baseline severity

Age, in mean (SD) or median (IQR)

Males (%)

Tests involved

Cao et al.

July, 2020

Retrospective cohort

244

Moderate, severe, critical

62.58 (13.43)

133 (54.5%)

hsTnI

Chen et al.

March, 2020

Cross-sectional

150

Non-severe, severe

59 (16)

84 (56%)

cTnI, NT-proBNP

Cummings et al.

June, 2020

Prospective cohort

257

Critical

62 (51–72)

171 (67%)

hsTnT

Deng et al.

July, 2020

Retrospective cohort

112

Non-severe, severe

65.0 (49.0–70.8)

57 (50.9%)

cTnI > 0.04, cTnI > 0.12, ECG (ST elevation, ST-T wave changes), echocardiography (LVEF < 50%, TAPSE < 16 mm, pulmonary hypertension signs, pericardial effusion > 5 mm)

Gao et al.

April, 2020

Retrospective cohort

54

Severe

60.4 (16.1)

24 (44.4%)

NT-proBNP

Ge et al.

January, 2020

Prospective cohort

51

Severe, critical

70 (58.0–79.0)

37 (72.5%)

Echo (at least one abnormality)

Gil-Rodrigo et al.

August, 2020

Prospective cohort

1000

Not indicated

62 (18)

562 (56.2%)

cTnI, NT-proBNP

He et al.

June, 2020

Retrospective cohort

54

Severe, critical

68.0 (59.8–74.3)

34 (63%)

NT-proBNP

Hong et al.

March, 2020

Retrospective cohort

18

Severe, critical

63.5 (51.5–67.5)

9 (50%)

cTnI, CK, CK-MB, NT-proBNP

Huang et al.

August, 2020

Retrospective cohort

60

Severe

57 (26–97)

35 (58.3%)

cTnT, CK, CK-MB

Knight et al.

September, 2020

Case–control

828

Not indicated

NA

NA

hsTnT, CMR

Li et al.

August, 2020

Retrospective cohort

157

Not indicated

NA

NA

echocardiography (RV dysfunction, heart failure)

Liu et al.

January, 2020

Retrospective cohort

34

Not indicated

60.5 (40–80)

18 (52.9%)

BNP, cTnI

McCullough et al.

July, 2020

Retrospective cohort

756

Not indicated

64.0 (51.9–74.6)

478 (63.2%)

ECG (atrial fibrillation, PACs, PVCs, AV block first degree, AV block third degree, abnormal axis, RBBB, LBBB, nonspecific intraventricular block, LV hypertrophy, RV hypertrophy, MI age undetermined, ST elevation, T-wave inversion, nonspecific repolarization abnormality)

Nie et al.

September, 2020

Case–control

311

Not indicated

63 (54–70)

190 (61.1%)

cTnI

Pagnesi et al.

September, 2020

Cross-sectional

200

Not indicated

62 (55–74)

131 (65.5%)

echocardiography (RV dysfunction, pulmonary hypertension signs)

Rath et al.

June, 2020

Prospective cohort

123

Not indicated

68 (15)

77 (62.6%)

cTnI, NT-proBNP, echocardiography (LV hypertrophy, visually estimated impaired RV function, TAPSE < 20 mm, aortic stenosis, aortic regurgitation, mitral regurgitation, tricuspid regurgitation, pericardial effusion), ECG (RBBB, LBBB, negative T-wave, ST depression)

Shi et al.

June, 2020

Retrospective cohort

671

Severe

63 (50–72)

322 (48.0%)

cTnI, CK-MB, myoglobin

Szekely et al.

July, 2020

Prospective cohort

100

Mild, moderate, severe

66.1 (17.3)

63 (63%)

echocardiography (combined, RV volume overload, pulmonary acceleration time), ECG (long QT, T-wave inversion, ST segment depression, ST segment elevation, LBBB, RBBB, atrial fibrillation), cTnI, BNP

Li et al.

June, 2020

Case–control

227

Mild, moderate, severe, critical

55 (17)

129 (56.8%)

myoglobin, cTn, CK-MB, BNP

Xu et al.

September, 2020

Case–control

102

Not indicated

NA

NA

TNT-HSST

Zhang et al.

May, 2020

Retrospective cohort

30

ICU, non-ICU

56.0 (42.0–68.0)

67 (49.6%)

cTnT

Zhou et al.

March, 2020

Retrospective cohort

145

General, severe, critical

56.0 (46.0–67.0)

119 (62%)

hsTnI, CK

Zou et al.

August, 2020

Retrospective cohort

154

Mostly ICU

60.68 (13.00)

67 (43.51%)

hsTnI, CK