title: [Epidemiological investigation on respiratory diseases in 1 300 children, in Jinan, Shandong].
abstract: OBJECTIVE
  To analyze the characteristics of respiratory diseases and to provide scientific basis for developing relevant control measures.
  
  
  METHODS
  1 300 children with respiratory diseases were treated in hospitals, from Jan. 2013 to May 2014, in the city of Jinan. Characteristics of respiratory diseases were analyzed.
  
  
  RESULTS
  The distribution of respiratory diseases in children appeared as: 373 cases of pneumonia (28.7%), 3 cases of pulmonary tuberculosis (0.2%), 467 cases of acute bronchitis (35.9%), 102 cases of asthma (7.8%), and 355 cases of upper respiratory tract infection (27.3%). The upper respiratory tract infection contained 168 cases of tonsillitis (12.9%), 91 cases of pharyngitis (7.0%), 52 cases of laryngitis(4.0%)and 44 cases of iaryngopharyngitis (3.4%). The age distribution of cases with children respiratory diseases appeared as:71 cases <1 years old (5.5%), 385 cases as 1-2 years old (29.6%), 534 cases as 3-6 years old (41.1%), 258 cases as 7-12 years old (19.8%)and 52 cases as >13 years old (4.0%). The seasonal distribution of children respiratory diseases appeared as:364 cases in Spring (28.0% ), 163 cases in summer (12.5%), 315 cases in autumn (24.2%)and 458 cases in winter (35.2%). Regional distribution of children respiratory diseases appeared as:516 cases in urban area (39.7%), 225 cases in suburb (17.3%), 376 cases in townships (28.9%)and 183 in villages (14.1%). 725 strains were isolated and identified that containing 349 strains(48.1%) of Mycoplasma pneumoniae, 136 strains (18.8%) of Haemophilus influenza, 103 strains (14.2% ) of Streptococcus pneumoniae, 82 strains (11.3% ) of Klebsiella pneumoniae, 38 strains (5.2%) of Acinetobacter baumannii, 35 strains(4.8%) of Enterobacter cloacae, 22 strains (3.0%) of Streptococcus pyogenes, 17 strains (2.3%) of Alcaligenes, 16 strains (2.2% of Candida albicans)and 9 strains (1.2%) of Flavobacterium indologenes. 1 288 cases (99.1%) were cured.
  
  
  CONCLUSIONS
  The common respiratory diseases would include bronchiolitis, pneumonia and upper respiratory tract infections in children, mostly attacking 3-6 year-olds at preschool stage, with spring, winter, urban and township as the prevalent seasons and areas.
authors.affiliation: Outpatient Service of Pediatrics, the Affiliated Qilu Hospital, Shandong University, Jinan 250012, China.
authors.forename: Xinting
authors.initials: X
authors.lastname: Zhang
authors.affiliation: The Qianfo Hill Campus, Shandong University. Email: wen37@sohu.com.
authors.forename: Junying
authors.initials: J
authors.lastname: Zhang
authors.affiliation: Outpatient Service of Pediatrics, the Affiliated Qilu Hospital, Shandong University, Jinan 250012, China.
authors.forename: Aihua
authors.initials: A
authors.lastname: Cao
mesh_terms: D000293:Adolescent; D001988:Bronchiolitis / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D006801:Humans; D007223:Infant; D011014:Pneumonia / Q000453:epidemiology; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D012621:Seasons; D014504:Urban Health / Q000706:statistics & numerical data