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Assess Severity of Depression

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There are various ways to assess the severity of depression 

1. Using tools such as the PHQ-9, which can help with both diagnosis of depression, as well with assessing severity…
  • PHQ-9 PDF version
  • PHQ-9 online version on MDCalc.com
  • PHQ-9 online version on eMentalHealth.ca

2. Clinical interview
  • Mild severity = mild symptoms of depression, with mild or no impairment of function in work, home or relationships.
  • Moderate = moderate symptoms of depression, with moderate impairment of function in work, home and relationships.
  • Severe depression = severe symptoms of depression, with severe impairment of function, e.g. unable to work; unable to function at home, work or relationships.


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