COPD was among the most expensive conditions seen in U.S. hospitals in 2011 , with a total cost of about $5.7 billion .
In the United States , costs of the disease are estimated at $50 billion , most of which is due to exacerbation .
COPD was among the most expensive conditions seen in United States hospitals in 2011 , with a total cost of about $5.7 billion .
In the United States , costs of the disease are estimated at $50 billion , most of which is due to exacerbation .