Table 1

Demographic and clinical characterization of patients with panic disorder and healthy controls

CharacteristicGroup; mean ± SD*Statisticp value
Panic disorderControl
Sex, female:male20:619:7χ2 = 0.1030.75
Age, (range) yr24.88 ± 6.12 (18–46)24.46 ± 2.79 (19–32)t = −0.3210.75
Education, yr12.46 ± 0.9912.52 ± 1.05t = 0.2050.84
Diagnosis, no.
 Panic disorder13NA
 Panic disorder with agoraphobia13NA
PAS score20.46 ± 7.05NA
ASI score
 Total45.92 ± 2.8810.12 ± 1.67t = −10.76< 0.001
 Cardiovascular symptoms9.58 ± 0.981.5 ± 0.40t = −7.63< 0.001
 Respiratory symptoms14.23 ± 1.252.69 ± 0.60t = −8.31< 0.001
 Publicly observable symptoms11.92 ± 1.034.65 ± 0.56t = −6.20< 0.001
 Loss of control10.19 ± 0.901.27 ± 0.39t = −9.10< 0.001
BDI score14.23 ± 8.940.92± 2.08t = −7.39< 0.001
Comorbidities, no.
 Mild depressive episode3
 Generalized anxiety disorder4
 Somatization disorder and hypochondria1
 Social or specific phobia2
 Bulimia nervosa1
 OCD1
  • ASI = Anxiety Sensitivity Scale; BDI = Beck Depression Inventory; NA = not applicable; OCD = obsessive–compulsive disorder; PAS = Panic and Agoraphobia Scale; SD = standard deviation.

  • * Unless indicated otherwise.