Twenty-three patients were selected for group. The group consisted of patients with panic disorder and breathing difficulties in a traditional cognitive behavioral therapy format, 8-session treatment protocol.

Twenty-three patients were selected for group. The group consisted of patients with panic disorder and breathing difficulties in a self-guided cognitive behavioral therapy format, using the 8-session treatment protocol.

Model of the sessions:

• Session 1 - General information for the Client
• Session 2 - Breaking the panic cycle
• Session 3 - Increasing the range of cognitive management skills
• Session 4 - Improving corporal management skills
• Session 5 - Strengthening self-efficacy
• Session 6 - Stimulating life reorientation
• Session 7 - Promoting existential management
• Session 8 - Revising and evaluating the treatment

Primary Outcome Measure 1 Title: Beck Anxiety Inventory (BAI) total score Time Frame: Baseline (Week 1) and Post-intervention (Week 8) Description: The BAI is a 21-item self-report questionnaire that measures the severity of anxiety symptoms. Total scores range from 0 to 63; higher scores indicate greater anxiety. Administered to all participants in both groups. Results will be reported separately for each time point.

Unit of Measure: Points on a scale (0-63) Primary Outcome Measure 2 Title: Beck Depression Inventory (BDI) total score Time Frame: Baseline (Week 1) and Post-intervention (Week 8) Description: The BDI is a 21-item self-report inventory assessing depressive symptoms. Scores range from 0 to 63, with higher scores indicating greater severity of depression. Applied to all participants in both groups, with separate reporting for each assessment.

Unit of Measure: Points on a scale (0-63)

Outcome Measure 3 Title: Mindful Attention Awareness Scale (MAAS) total score Time Frame: Baseline (Week 1) and Post-intervention (Week 8) Description: The MAAS is a 15-item scale measuring mindfulness in daily life. Scores range from 15 to 90; higher scores reflect greater mindfulness. Administered to all participants. Scores will be reported separately at each time point.

Unit of Measure: Points on a scale (15-90) Outcome Measure 4 Title: Brief Resilient Coping Scale (BRCS) total score Time Frame: Baseline (Week 1) and Post-intervention (Week 8) Description: The BRCS is a 4-item scale assessing the tendency to cope with stress in a resilient manner. Scores range from 4 to 20; higher scores indicate more adaptive coping. Administered to both groups. Each time point reported separately.

Unit of Measure: Points on a scale (4-20)

Outcome Measure 5 Title: WHOQOL-BREF domain scores - Physical, Social, Environmental Time Frame: Baseline (Week 1) and Post-intervention (Week 8) Description: The WHOQOL-BREF assesses quality of life. This outcome includes scores from the Physical Health, Social Relationships, and Environment domains. Each domain score ranges from 4 to 20; higher scores represent better quality of life.

Unit of Measure: Points on a scale (4-20) Outcome Measure 6 Title: Panic and Agoraphobia Scale (PAS) total score Time Frame: Baseline (Week 1) and Post-intervention (Week 8) Description: The PAS is a clinician-administered scale with 13 items assessing the severity of panic and agoraphobia symptoms. Scores range from 0 to 52; higher scores indicate more severe symptoms. Applied to all participants.

Unit of Measure: Points on a scale (0-52)