Study reveals COVID-19 death rate 3 times higher than for flu in adultsAdults hospitalized early in the pandemic with COVID-19 were at more than triple the risk of death than those with influenza, despite the flu patients being older and having more chronic illnesses, according to new data from Spain to be presented at this year's European Congress of Clinical Microbiology & Infectious Diseases (ECCMID), which starts tomorrow.The researchers also found that COVID-19 is associated with longer hospital and intensive care unit (ICU) stays, and its treatment costs nearly twice as much as flu treatment.The team examined medical records of 187 flu patients (average age 76 years, 55% male) hospitalized from 2017 to 2019, and compared their data with 187 COVID-19 patients (average age 67 years, 49% male) hospitalized from March to May 2020.
All the COVID patients required oxygen therapy at admission.The 30-day COVID-19 mortality rate was 15% compared with 5% for flu.
The 90-day mortality rate was 19% in the COVID-19 group and 6% in flu patients. After the investigators adjusted for confounders, they found COVID-19 to raise the risk of 30-day mortality more than four times (hazard ratio [HR] 4.04; 95% confidence interval [CI], 1.86 to 8.77) and 90-day mortality more than three times (HR 3.68; 95% CI, 1.75 to 7.74) compared with flu.Median hospital stay was 17 versus 11 days, and median ICU stay was 15 versus 10 days, with costs for critical care almost twice as high for COVID-19 patients (€21,350 vs €12,082, or $27,400 vs $15,506).Flu patients tended to have more existing chronic illnesses and problems performing activities of daily living than COVID-19 patients, but they were less likely to be overweight or obese."Our findings