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Table 1 Mean (SD) psychological questionnaire scores for cough patients and published controls [8]

From: Prevalence of psychomorbidity among patients with chronic cough

Psychological measure All cough (n = 57) Idiopathic cough (n = 15) Treated cough (n = 42) Normal adult population 8 (n = 694) Medical/surgical patients without psychiatric disorder 8 (n = 110) Medical/surgical patients with psychiatric disorder 8 (n = 34)
HAD scale
Anxiety 6.4 (4.4) 5.23 (3.6) 6.7 (4.7) - - -
Depression 3.8 (3.8) 3.9 (3.9) 3.8 (3.7) - - -
STAI
State 32.3 (8.8) 36.5 (9.5) 30.9(8.2) 33.40 (9.50) 42.7 (13.8) 42.4 (15.7)
Trait 38.9 (11.3)* 39.15 (8.8)** 38.9 (12.2)*** 32.8 (8.3) 41.3 (12.5) 44.6 (14.1)
  1. Values given as mean (SD)
  2. * p < 0.001 All cough versus normal adult population [8]
  3. ** p = 0.004 Idiopathic cough versus normal adult population [8]
  4. *** p < 0.001 Treated cough versus normal adult population [8]
  5. HAD – Hospital Anxiety and Depression scale, STAI – State-Trait Anxiety Inventory
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