Depression and Anxiety: Course & Prognosis

Mild to moderate depressive episodes generally last 4-30wks. How long, on average, do severe depressive episodes last?

2 months

6 months

12 months

8 months

Chronic depression is defined as depressive episodes lasting more than 1 year. What percentage of depressive episodes will develop a chronic course?

1-2%

10-20%%

50-60%

5-10%

There are many available antidepressant treatments, which can reduce length of depressive episodes, and, if used long term, chronicity (normally 10-20%). What percentage will develop chronicity after antidepressant therapy?

0.1%

10%

Risk of recurrent depressive episodes is very variable between individuals. At 10 years, the risk of recurrence is what?

30%

70%

50%

10%

Suicide rates in those with depression are increased compared to the general population. How high may suicide rates be in those with depression?

0.5%

24%

13%

Anxiety is the most common psychiatric disorder. What is it's 1-year prevalence?

12-17%

25-28%

3-6%

7-10%

Panic disorders are often co-morbid with other medical conditions. What percentage of those with panic disorders also suffer from depression?

68%

43%

21%

94%

Generalised anxiety disorder (GAD) is a state of 'excess worry' about everyday events/problems. It is often chronic - after 6 years, what percentage of patients will have mild residual symptoms (after treatment)?

21%

52%

68%

93%

Depression and Anxiety: Course & Prognosis

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