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pp.159-165
Prevalence of Mycoplasma pneumoniae pneumonia in preschool children has shown a recent increase and macrolideresistant Mycoplasma pneumoniae pneumonia has been reported. We investigated the clinical features of Mycoplasma pneumoniae pneumonia among children of different ages and different years for the most recent seven years. Retrospective analysis was performed on the clinical data of 735 children who were hospitalized due to Mycoplasma pneumoniae pneumonia between January 2006 and December 2012. The children were divided into three groups according to age: the A group (<3 years), B group (≥3 years and <7 years), and C group (≥7 years). In addition, the children were divided into two groups according to the year in which the disease had developed: the early period (2006 and 2007 year), and the late period (from 2010 to 2012 year). The infant group (A group) presented mainly with a shorter duration of fever and more frequent wheezing. In the late period, the interval until improvement after a macrolide was prescribed increased. Clinical features of Mycoplasma pneumoniae pneumonia differed among children of different ages, particularly between infants and school-aged children.
