Fig. 3From: Xenon in the treatment of panic disorder: an open label studyChanges in HADS D Scale (subscale “depression”) after Xenon Administration. Patients with only PD (group 1, n = 42) and “comorbid” PD (group 2, n = 39) where administered 6–7 sessions of xenon inhalation as described in “Methods”. Analysis of Analysis of HADS_T score was performed. Error bars indicate 95% CIBack to article page