Basic Summary for Depressive disorders

Main name of condition: Depressive disorders
Other names or spellings: Depressive illness

What is Depressive disorders?
  Brief description of Depressive disorders: Depression or its various related conditions.
  Parent types of Depressive disorders: Mood disorders, Mental illness, Emotional disorders, Psychological disorders, Psychiatric disorders
  Organs Affected by Depressive disorders: mental
  Types of Depressive disorders: Depression, Major depressive episode, Major depressive disorder, Dysthymia, Bipolar disorder, Seasonal Affective Disorder, Cyclothymia, Postnatal depression

How many people get Depressive disorders?
  Prevalance of Depressive disorders: 9.5 percent of adult Americans (NIMH)
  Prevalance Rate of Depressive disorders: approx 1 in 10 or 9.50% or 25.8 million people in USA [about data]
  Incidence (annual) of Depressive disorders: estimated 18.8 million American adults annually (NIMH)
  Incidence Rate of Depressive disorders: approx 1 in 14 or 6.91% or 18.8 million people in USA [about data]
  Prevalance of Depressive disorders: In any given 1-year period, 9.5 percent of the population, or about 18.8 million American adults, suffer from a depressive illness.⁵ The economic cost for this disorder is high, but the cost in human suffering cannot be estimated. Depressive illnesses often interfere with normal functioning and cause pain and suffering not only to those who have a disorder, but also to those who care about them. Serious depression can destroy family life as well as the life of the ill person. But much of this suffering is unnecessary. ¹

Who gets Depressive disorders?
Gender Profile for Depressive disorders: Women 2:1 men.

What causes Depressive disorders?
  Class of Condition for Depressive disorders: behavior
  Causes of Depressive disorders: see causes of Depressive disorders
  Risk factors for Depressive disorders: see risk factors for Depressive disorders

What are the symptoms of Depressive disorders?
Symptoms of Depressive disorders: see symptoms of Depressive disorders

How is it treated?
Treatments for Depressive disorders: see treatments for Depressive disorders

Society issues for Depressive disorders
Hospitalization statistics for Depressive disorders: The following are statistics from various sources about hospitalizations and Depressive disorders:

Depressive disorders accounted for 452,224 patient days in hospitals in Australia 2001-02 (AIHW Hospital Morbidity Database 2001-02, Australia’s Health 2004, AIHW)
Depressive disorders resulted in 68,450 hospitalisations in Australia 2001-02 (AIHW Hospital Morbidity Database 2001-02, Australia’s Health 2004, AIHW)
0.2% (25,852) of hospital consultant episodes were for depressive episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
93% of hospital consultant episodes for depressive episodes required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
39% of hospital consultant episodes for depressive episodes were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
41% of hospital consultant episodes for depressive episodes were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
70% of hospital consultant episodes for depressive episodes required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
39.5 days was the mean length of stay in hospitals for depressive episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
21 days was the median length of stay in hospitals for depressive episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
52 was the mean age of patients hospitalised for depressive episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
62% of hospital consultant episodes for depressive episodes occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
20% of hospital consultant episodes for depressive episodes occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
3% of hospital consultant episodes for depressive episodes were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
1.51% (793,979) of hospital bed days were for depressive episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
0.07% (8,598) of hospital consultant episodes were for recurrent depressive disorder in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
93% of hospital consultant episodes for recurrent depressive disorder required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
30% of hospital consultant episodes for recurrent depressive disorder were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
70% of hospital consultant episodes for recurrent depressive disorder were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
65% of hospital consultant episodes for recurrent depressive disorder required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
50.2 days was the mean length of stay in hospitals for recurrent depressive disorder in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
28 days was the median length of stay in hospitals for recurrent depressive disorder in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
55 was the mean age of patients hospitalised for recurrent depressive disorder in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
59% of hospital consultant episodes for recurrent depressive disorder occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
19% of hospital consultant episodes for recurrent depressive disorder occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
2% of hospital consultant episodes for recurrent depressive disorder were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
0.63% (332,004) of hospital bed days were for recurrent depressive disorder in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
Hospitalization statistics in Australia:
- Hospitalisations for depressive episode at public hospitals occurred in 7.8 people per 10,000 population in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 11.1 days was the mean length of stay in public hospitals for depressive episode in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
Hospitalization statistics in Australia in psychiatric hospitals:
- 1,693 hospital episodes in public psychiatric hospitals were for depressive episode or disorder in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 19.7% of hospitalisations in public psychiatric hospitals for depressive episode or disorder were single day episodes in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 98% of hospitalisations in public psychiatric hospitals for depressive episode or disorder were by public patients in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- Hospitalisations for depressive episode or disorder at public psychiatric hospitals occurred in 0.9 people per 10,000 population in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 39 days was the mean length of stay for depressive episode or disorder in public psychiatric hospitals in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- Excluding same day episodes, 20.2 days was the mean length of stay in public psychiatric hospitals for depressive episode or disorder in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
Hospitalization statistics in Australia for public hospitals:
- 1.004% (273) of hospital episodes for depressive episode in public hospitals occurred in females aged 5 to 14 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 13.78% (3,747) of hospital episodes for depressive episode in public hospitals occurred in females aged 15 to 24 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 18.3% (4,976) of hospital episodes for depressive episode in public hospitals occurred in females aged 25 to 34 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 20% (5,434) of hospital episodes for depressive episode in public hospitals occurred in females aged 35 to 44 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 20.17% (5,486) of hospital episodes for depressive episode in public hospitals occurred in females aged 45 to 54 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 9.88% (2,687) of hospital episodes for depressive episode in public hospitals occurred in females aged 55 to 64 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 6.92% (1,881) of hospital episodes for depressive episode in public hospitals occurred in females aged 65 to 74 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 7.87% (2,139) of hospital episodes for depressive episode in public hospitals occurred in females aged 75 to 84 years in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
- 2.1% (572) of hospital episodes for depressive episode in public hospitals occurred in females aged over 85 in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)

Footnotes:
1. excerpt from Depression: NIMH

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