title: Clinical and aetiological profile of early onset diabetes mellitus: data from a tertiary care centre in the Indian subcontinent.
abstract: BACKGROUND
  Type 2 diabetes mellitus (DM) in youth is emerging as a serious clinical entity and its incidence has increased over the years.
  
  
  OBJECTIVE
  To analyse the causes of DM in the age group of <40 years of age.
  
  
  METHODS
  Tertiary care centre; retrospective analysis of data from January 1990 to December 1999. SUBJECTS AND MATERIAL: Analysis of data of all the subjects of DM in whom disease started before the 40th birthday.
  
  
  RESULTS
  724 subjects were detected to have diabetes mellitus before their 40th birthday. Of these, 205 had Type 1, 174 had Type 2 and 48 had fibrocalculous pancreatic diabetes. Males outnumbered in Type 1 and fibrocalculous pancreatic diabetes while as females in Type 2 diabetes mellitus. Chronic complications were more common in Type 2 diabetes mellitus.
  
  
  CONCLUSIONS
  Type 2 diabetes mellitus is becoming an important cause of diabetes in subjects with onset of disease at younger age.
authors.affiliation: Department of Endocrinology, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, India. abdulhamidz@vsnl.com
authors.forename: A H
authors.initials: AH
authors.lastname: Zargar
authors.forename: M H
authors.initials: MH
authors.lastname: Bhat
authors.forename: B A
authors.initials: BA
authors.lastname: Laway
authors.forename: S R
authors.initials: SR
authors.lastname: Masoodi
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000367:Age Factors; D017668:Age of Onset; D002648:Child; D003922:Diabetes Mellitus, Type 1 / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology*; D003924:Diabetes Mellitus, Type 2 / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D015994:Incidence; D007194:India / Q000453:epidemiology; D008297:Male; D009765:Obesity / Q000150:complications; D015995:Prevalence; D017678:Sex Distribution; D012737:Sex Factors