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. 2021 Dec 21;8(2):e001805. doi: 10.1136/openhrt-2021-001805

Figure 2.

Figure 2

Forest plot of the association between having pre-OHCA diagnosed heart disease and shockable initial rhythm (SIR) and acute myocardial infarction (AMI) as immediate cause of OHCA. Model 1 adjusted for age and sex. Model 2 adjusted for model 1 plus resuscitation parameters (use of automated external defibrillator, presence of bystander or ambulance witness, provision of bystander CPR, OHCA location and time to defibrillator connection) and model 3 for model 2 plus initial rhythm. Model 4 adjusted for model 3 plus significant comorbidities (obesity, hypertension, hypercholesterolemia, stroke, type 2 diabetes) and model 5 additionally adjusted for significant non-cardiac comorbidities (depression, COPD, cancer and renal dysfunction). *Models 4 and 5: in the analysis on SIR the models do not adjust for initial rhythm as confounder. COPD, chronic obstructive pulmonary disease; CPR, cardiopulmonary resuscitation; OHCA, out-of-hospital cardiac arrest.