User:M.kal54/Epidemiology of pneumonia/Skallasj4863 Peer Review

Children
In 2008, pneumonia occurred in approximately 156 million children (151 million in the developing world and 5 million in the developed world). It caused 1.6 million deaths or 28–34% of all deaths in those under five years of age of where 95% of these occurred in the developing world. However, in recent years due to improvements in prevention and treatment of pneumonia, the number of cases in children under the age of five, has decreased from 178 million in 2000, to 138 million in 2015, and mortality rates decreasing from 1.7 million in 2000 to 921,000 in 2015 worldwide.  Out of all deaths of children age five and under in 2017, pneumonia was the cause of 15%, killing more children than any other infectious disease. In 2015, around 2,400 children under the age of 5 died of pneumonia per day. Some countries with the greatest burden of disease include: India (43 million), China (21 million) and Pakistan (10 million).

Poland
In 2014, Poland had a pediatric population of 7,367,100, and had an incidence rate of 930 per 100,000 hospitalized with pneumonia. '''Out of the total number of hospitalized children, 81.8% were ages five and under, with the average age being 3.25 years. Children under the age of six were five times more likely to be hospitalized than those ages six and above. While being hospitalized, 19 pneumonia-related deaths occurred, and within three months of being released from the hospital, an additional 117 children died.'''

United States
In the United States, community-acquired pneumonia affects 5.6 million people per year, and ranks 6th among leading causes of death. As the eighth leading cause of death in the United States, pneumonia has an annual incidence rate of 24.8 cases per 10,000 adults. In 2009, there were approximately 1.86 million emergency department encounters for pneumonia in the United States. In 2011, pneumonia was the second-most common reason for hospitalization in the U.S., with approximately 1.1 million stays—a rate of 36 stays per 10,000 population. For every 1,000 persons, 7.9 visited an emergency department in the United States between the years of 2016 and 2018 due to pneumonia.

The most frequent cause of hospitalization for US children is pneumonia, '''with an incidence rate of 15.7 per 10,000 children. US children less than two years of age had the highest rate, with 62.2 per 10,000 children. Every year, there are about 124,000 hospitalizations of US children with community-acquired pneumonia.'''

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