Last Updated Apr 23rd, 2020 at 8:29 am

Nearly all the patients hospitalized for the coronavirus in New York City had underlying health conditions, according to a new study.

Health records showed that 94% of the 5,700 patients in the Northwell Health system — which has had the most patients in the country during the pandemic — had at least one disease other than COVID-19, according to the Journal of the American Medical Association. 88% had more than one ailment on top of coronavirus.

Chart from Time:

Hypertension was the most common ailment, affecting 53% of coronavirus patients. Another 42% of patients who had a body mass index on file were obese and 32% of all patients had diabetes. Data from 2,634 patients who either died or were discharged from the hospital showed that 12% were on ventilators and that 88% of those on ventilators died.