Table 3.

The adjusted association between abnormal ECG and ICU/in-hospital death within 30 days.

Variable	OR (95%CI)	p-value
Univariable	2.03 (1.20–3.46)	0.0094
Model Aa	2.13 (1.22–3.74)	0.0081
Model Bb	2.04 (1.16–3.62)	0.014
Model Cc	2.80 (1.20–6.70)	0.018
Model Dd	2.11 (1.21–3.66)	0.0084

Baseline variables = Age, sex, body mass index; history of diabetes, hypertension, hyperlipidaemia, ischemic heart disease, heart failure, atrial fibrillation, peripheral artery disease, chronic obstructive pulmonary disease, asthma and chronic kidney failure; prior acute myocardial infarction, stroke and venous thromboembolism; active cancer, any dementia, smoking; pre-admission treatment with beta-blockers, anti-arrhythmic agents, digoxin, aspirin, warfarin, direct-acting oral anti coagulants, angiotensin converting enzyme inhibitors, angiotensin receptor blockers, calcium antagonists, statins, P2Y12 inhibitors, mineralocorticoid receptor antagonists, diuretics, oral antidiabetics and oral cortisone; admission blood pressure, heart rate, respiratory rate and saturation without oxygen; oxygen at admission, admission cycle threshold value; presenting with fever, cough, dyspnea, sore throat, nasal congestion, loss of smell, loss of taste, headache, chest pain, abdominal pain, vomiting, diarrhea and disorientation.

^aAdjusted for age and sex.

^bAdjusted for age, sex, diabetes and hypertension.

^cPropensity score adjusted for all baseline variables.

^dPropensity score weighted with all baseline variables.