Panic Disorder Severity Scale (PDSS)

7 question scale to grade panic disorder severity

The global unit selector only affects unanswered questions
1.How many panic and limited symptoms attacks did you have during the week?
2.If you had any panic attacks during the past week, how distressing (uncomfortable, frightening) were they while they were happening?
3.During the past week, how much have you worried or felt anxious about when your next panic attack would occur or about fears related to the attacks?
4.During the past week, were there any places or situations you avoided, or felt afraid of, because of fear of having a panic attack?
5.During the past week, were there any activities that you avoided, or felt afraid of, because they caused physical sensations like those you feel during panic attacks or that you were afraid might trigger a panic attack?
6.During the past week, how much did the above symptoms altogether interfere with your ability to work or carry out your responsibilities at school, or home?
7.During the past week, how much did panic and limited symptom attacks or worry about attacks interfere with your social life?
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1. How many panic and limited symptoms attacks did you have during the week?

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About this Calculator

The Panic Disorder Severity Scale (PDSS) is a brief, clinician rating scale that was developed in 1997 with the promise of becoming a standard global rating scale for panic disorder. The PDSS has become a simple, efficient way for clinicians to rate severity and treatment progress in patients with established diagnoses of panic disorder. The PDSS, is modeled after the Yale-Brown Obsessive Compulsive Scale so, it contains items that assess the severity of seven dimensions of panic disorder and associated symptoms: the frequency of panic attacks, distress during panic attacks, anticipatory anxiety, agoraphobic fear and avoidance, interoceptive fear and avoidance, impairment of or interference in work functioning; and impairment of or interference in social functioning.

In the first study of its performance, this scale demonstrated adequate internal consistency and reliability, excellent inter-rater reliability, good discriminant validity and sensitivity to change. A replication study with a new set of patients confirmed its reliability and convergent and discriminant validity, and added information about cut-off scores to discriminate patients with/without current panic disorder and severity. It’s useful for a clinical as it can gauge response and remission of treatment. The scale has gained wide acceptance and has been translated into Spanish, Portuguese, Italian, Hungarian, Finnish, Serbo-Croatian, Japanese, Korean, Turkish, with satisfactory reliability and validity, comparable to the original English version.

References

Shear MK, Brown TA, Barlow DH, et al.

Multicenter collaborative panic disorder severity scale.

American Journal of Psychiatry 1997, 154 (11): 1571-5

Furukawa TA, Katherine shear M, Barlow DH, et al.

Evidence-based guidelines for interpretation of the Panic Disorder Severity Scale.

Depression and Anxiety 2009, 26 (10): 922-9

Houck PR, Spiegel DA, Shear MK, Rucci P.

Reliability of the self-report version of the panic disorder severity scale.

Depression and Anxiety 2002, 15 (4): 183-5

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