Italy's National Institute of Health found that 99 percent of people who died from COVID-19 had at least one pre-existing condition, comparisons to US pre-existing illness rates

Italy's National Institute of Health found that 99 percent of people who died from COVID-19 had at least one preexisting condition.
76.1% of patients who died from COVID-19 had hypertension, or high blood pressure. 
One-third of COVID-19 patients who died in Italy had heart disease. 
About one-quarter of people who died from the coronavirus in Italy had atrial fibrillation. 
Diabetes was the second most common condition among COVID-19 patients who died: 35.5% had the illness. 
Of those who died in Italy, 20.3% had active cancer in the past five years. 
The study found that 18% of people who died had chronic kidney disease. 
Chronic obstructive pulmonary disease — or lung diseases such as chronic emphysema and bronchitis — was present in 13.2% of the people who died. 
People who previously had a stroke made up 9.6% of COVID-19 patients who died in Italy. 
In Italy, 6.8% of COVID-19 patients who died had dementia. 
Chronic liver disease was the 10th most common underlying condition among COVID-19 patients who died.
Compare to rate of these pre-existing conditions for Americans.

In the United States, about 77.9 million (1 out of every 3) adults have high blood pressure. Among adults age 20 and older in the United States, the following have high blood pressure: - For non-Hispanic whites, 33.4 percent of men and 30.7 percent of women.

An estimated 83.6 million American adults (>1 in 3) have 1 or more types of CVD. Of these, 42.2 million are estimated to be ≥60 years of age. For the 60–79-year-old agegroup, the following have CVD: 70.2% of men; 70.9% of women. For the 80+ year-old age group, the following have CVD: 83.0% of men; 87.1% of women.

According to the Centers for Disease Control and Prevention (CDC) , approximately 2 percent of people younger than 65 years old have AFib, while about 9 percent of people ages 65 and older have it.


97% of Coronavirus deaths in Louisiana had pre-existing conditions

As of Thursday, April 2nd, 97% of the 310 Coronavirus deaths in Louisiana had pre-existing conditions.
Some 97% of those killed by COVID-19 in Louisiana had a pre-existing condition, according to the state health department. Diabetes was seen in 40% of the deaths, obesity in 25%, chronic kidney disease in 23% and cardiac problems in 21%.  
Orleans Parish, which encompasses the city, reported 125 confirmed coronavirus deaths as of Thursday, the equivalent of 32 coronavirus deaths per 100,000 people. That rate for New York City was at 15.9 on Thursday. 
As of Monday, April 6th,
As of Monday, 512 people have died in Louisiana from the new coronavirus. The most common pre-existing conditions in those patients were:
- Hypertension (66.4%)
- Diabetes (43.5%)
- Chronic kidney disease (25.1%)
- Obesity (24.7%)
More info on Louisiana available here and here.


In New York, 86% of Coronavirus deaths were for people with pre-existing illnesses

From USA Today:

86% of deaths involved people with pre-existing illnesses.
And 4,089 of those who died had at least one other chronic disease, the records showed:
  • The leading underlying illness was hypertension, which showed up in 55% of the deaths.
  • Next was diabetes, which was diagnosed in 1,755 deaths, or about 37% of the cases.
  • Other top illnesses found in those who died from coronavirus were hyperlipidemiacoronary artery diseaserenal disease and dementia.
Additional info:
Of the 4,758 deaths in New York since the first on March 14, 61% were men and 39% were women, the state Department of Health reportedon its new data portal. 
In addition, 63% of the deaths were among those age 70 and older, while 7% of the cases were those 49 and younger.



96.6% of people in Chicago who died from Coronavirus had pre-existing conditions

The UK Daily Mail has some interesting detailed data for Chicago's deaths from the Coronavirus.