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Table 3 Occurrence of multiple anxiety disorders and anxiety-depression comorbidity, over the study samples pooled and the range across the separate study samples

From: To what extent does the anxiety scale of the Four-Dimensional Symptom Questionnaire (4DSQ) detect specific types of anxiety disorder in primary care? A psychometric study

Disorder N Multiple anxiety disorders (%)a Anxiety-depression comorbidity (%)a
   pooled range pooled range
Panic disorderb 176 86 70-96 59 39-80
Agoraphobiac 176 88 71-95 56 37-76
Social phobia 158 71 58-80 63 41-83
GADd 225 56 30-80 66 50-79
Specific phobia 42 59 46-66 74 46-86
OCDe 47 85 82-100 55 54-63
PTSDf 52 73 72-83 63 61-83
  1. aPercentages of patients with specific anxiety disorders who also had one or more other anxiety disorders or comorbid depressive disorder.
  2. bPanic disorder without agoraphobia plus panic disorder with agoraphobia.
  3. cAgoraphobia without history of panic disorder plus panic disorder with agoraphobia.
  4. dGeneralized anxiety disorder.
  5. eObsessive compulsive disorder.
  6. fPost traumatic stress disorder.