title: [Analysis of different distribution of causes of hoarseness between the Han and the Uighur].
abstract: OBJECTIVE
  To evaluate clinical characteristics of distribution of causes of hoarseness in the Han and the Uighur.
  
  
  METHODS
  The date of 933 cases of hoarseness in different ages, which included 654 cases of the Han and 279 cases of the Uighur, were analyzed with laryngofiberoscope. They were divided into different age groups and were compared.
  
  
  RESULTS
  The common causes of hoarseness of the Han, which occupied 90.1% of its all cases, were polyp of vocal cord (31.8%), chronic laryngitis (24.9%), vocal nodule (12.2%), carcinoma of larynx (11.2%), paralysis of vocal cord (9.9%); While that of the Uighur, which occupy 96.4% of its all cases, were chronic laryngitis (27.2%), paralysis of vocal cord (21.1%), polyp of vocal cord (19.4%), carcinoma of larynx (12.9%), laryngeal papillomatosis (7.9%), vocal nodule (7.9%), there was significant difference between them (chi2=73.19, P < 0.01) and significant difference between them in distribution of polyp of vocal cord,paralysis of vocal cord and laryngeal papillomatosis (P < 0.01). There also significant difference among 2 to 20 years old group, 21 to 40 years old group and 41 to 60 years old group. However 61 to 85 years old group was excepted.
  
  
  CONCLUSIONS
  There was difference in distribution of causes of hoarseness between the Han and the Uighur, which was also different in different ages of them. The main causes of hoarseness in the Han were chronic laryngitis and vocal nodule in children and teenagers,polyp of vocal cord and chronic laryngitis in youth and adult, while in the Uighur, they were chronic laryngitis and laryngeal papillomatosis in children and teenagers, chronic laryngitis, polyp of vocal cord and paralysis of vocal cord in youth and adult; In the aged, there was no Statistical difference between the two nations, and the major cause was carcinoma of larynx and paralysis of vocal cord.
authors.affiliation: Department of Otolaryngology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China. doczhent@tom.com
authors.forename: Hua
authors.initials: H
authors.lastname: Zhang
authors.forename: Min
authors.initials: M
authors.lastname: He
authors.forename: Qi
authors.initials: Q
authors.lastname: Zhao
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D002681:China; D003710:Demography; D005260:Female; D006685:Hoarseness / Q000208:ethnology / Q000209:etiology*; D006801:Humans; D007818:Laryngeal Diseases / Q000208:ethnology / Q000209:etiology; D008297:Male; D008875:Middle Aged; D014827:Vocal Cords / Q000473:pathology; D055815:Young Adult