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Table 1 Leading causes of disability, years lived with disability (YLD) by cause as percent of YLD from all causes, developed countriesa, 2002

From: Global patterns of healthy life expectancy in the year 2002

Cause group % of total YLD Female to male ratio
I. Communicable, maternal, perinatal and nutritional conditions 6.6 1.47
   Infectious and parasitic diseases 2.4 0.94
   Maternal conditions 0.9 -
   Perinatal conditions 0.8 0.95
   Nutritional deficiencies 2.1 1.50
II. Noncommunicable diseases 86.2 1.12
   Malignant neoplasms 2.4 1.54
   Diabetes mellitus 2.3 1.10
   Neuropsychiatric conditions 41.9 1.10
Unipolar depressive disorders 15.0 1.69
Bipolar disorder 2.2 0.99
Schizophrenia 2.3 0.94
Alcohol use disorders 6.8 0.24
Alzheimer and other dementias* 4.2 1.99
Drug use disorders 1.7 0.34
Other neuropsychiatric disorders 9.7 1.50
   Sense organ diseases 8.6 1.16
Vision disorders b 3.0 1.44
Hearing loss, adult onset 5.7 1.04
   Cardiovascular diseases 6.7 0.86
   Respiratory diseases 6.9 0.96
   Musculoskeletal diseases 7.6 1.53
   Other non-communicable diseases 9.7 1.09
III. Injuries 7.2 0.45
   Unintentional injuries 5.8 0.48
   Intentional injuries 1.4 0.31
  1. a Developed countries includes European countries, former Soviet countries, Canada, USA, Cuba, Japan, Australia, New Zealand, Brunei Darussalam, Singapore.
  2. b Vision disorders includes vision loss due to glaucoma, cataracts, macular degeneration and other age-related vision loss.