Collaborative care led to greater recovery, improvement, and adherence than usual care at 12 months in panic disorder.

Patients 115 patients who were 18–65 years of age (mean age 41 y, 57% women), met DSM-IV criteria for panic disorder with >1 panic attack in the past month, spoke English, and had a telephone. Exclusion criteria were presence of illnesses that were life threatening or limited patient participation, current psychiatric treatment, or disability benefit claims. Follow up was 80% at 6 months and 79% at 12 months (random regression analysis was used to include all patients in the analysis).