More than 1.2 million Americans were hospitalized for pneumonia in 2006, making this lung infection the most common reason for admission to the hospital other than childbirth, according to the Agency for Healthcare Research and Quality. The cost of treating pneumonia for hospitals was $10 billion in 2006. The disease, which can be especially deadly among the elderly, occurs when the lungs fill with fluid from infection or inflammation caused by bacteria or a virus.
The following are from AHRQ's new analysis of 2006 hospitalizations, estimated admissions, and hospitals' costs for common conditions:
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