Although a decreasing trend in the number of filed suits was observed since 2010, a lower frequency was observed in the PNUH compare to the annual average number of lawsuits (5.6 cases) filed against national university hospitals from 2009 to 2011 in Korea.
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The sentences
In recent years, the number of medical lawsuits has shown an increasing trend in countries including the United States, Japan, Taiwan, and others [ 4 , 5 , 6 ].