Fig. 2From: Treatment patterns, healthcare resource utilization, and costs following first-line antidepressant treatment in major depressive disorder: a retrospective US claims database analysisSample selection flowchart. *MDD = major depressive disorder. [1] Patients were considered to be on monotherapy if they did not have any claims for another antidepressant or an atypical antipsychotic during the first 30 days following the index date. [2] Overall study sample without restriction in terms of adequate treatment durationBack to article page