Fig 4.

Risks of death and healthcare resource use in patients admitted to hospital with coronavirus disease 2019 (covid-19) versus seasonal influenza. Seasonal influenza group served as reference. BMI=body mass index; ICU=intensive care unit; T₀=time zero. *Models adjusted for age, sex, race, smoking status, BMI, estimated glomerular filtration rate, chronic lung disease, cancer, cardiovascular disease, cerebrovascular disease, dementia, diabetes mellitus, hypertension, peripheral artery disease, use of statins, angiotensin converting enzyme inhibitors/angiotensin II receptor blockers, and non-steroidal anti-inflammatory drugs. †Included seasonal influenza patients between 1 Jan 2017 and 31 Aug 2017 in cohort. ‡Included seasonal influenza patients between 1 Sept 2017 and 31 Aug 2018 in cohort. §Included seasonal influenza patients between 1 Sept 2018 and 31 Aug 2019 in cohort. ¶Included seasonal influenza patients between 1 Sept 2019 and 31 Dec 2019 in cohort