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Table 2 Leading causes of disability, years lived with disability (YLD) by cause as percent of YLD from all causes, developing 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

23.4

1.36

   Infectious and parasitic diseases

10.9

0.95

   Maternal conditions

3.8

-

   Perinatal conditions

3.1

0.98

   Nutritional deficiencies

4.4

1.08

II. Noncommunicable diseases

64.9

1.03

   Malignant neoplasms

0.3

2.02

   Diabetes mellitus

1.1

1.11

   Neuropsychiatric conditions

29.4

1.09

Unipolar depressive disorders

11.1

1.47

Bipolar disorder

2.5

0.98

Schizophrenia

2.9

0.97

Alcohol use disorders

2.5

0.15

Alzheimer and other dementias*

1.0

1.40

Drug use disorders

0.8

0.28

Other neuropsychiatric disorders

8.6

1.37

   Sense organ diseases

13.0

1.13

Vision disorders b

8.7

1.26

Hearing loss, adult onset

4.3

0.92

   Cardiovascular diseases

3.3

0.82

   Respiratory diseases

4.2

0.72

   Musculoskeletal diseases

4.6

1.18

   Other non-communicable diseases

8.9

0.90

III. Injuries

11.7

0.66

   Unintentional injuries

9.7

0.75

   Intentional injuries

2.0

0.32

  1. a Developing countries includes all countries except for 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.