answers.id: nrdiqees ol21k1a8
answers.title: History of coronary heart disease increases the mortality rate of COVID-19 patients: a nested case-control study Title: Characteristics and outcomes of a cohort of SARS-CoV-2 patients in the Province of Reggio
answers.exact_answer: HR=1.1, p=0.61 HR 1.6, 95% CI 1.1 to 2.2