title: 'Number needed to treat'.
authors.forename: S
authors.initials: S
authors.lastname: Gilbody
authors.forename: D
authors.initials: D
authors.lastname: Owens
mesh_terms: D000929:Antidepressive Agents, Tricyclic / Q000008:administration & dosage / Q000191:economics*; D003362:Cost-Benefit Analysis; D003866:Depressive Disorder / Q000188:drug therapy / Q000191:economics* / Q000523:psychology; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D006801:Humans; D010352:Patient Dropouts / Q000706:statistics & numerical data; D017367:Selective Serotonin Reuptake Inhibitors / Q000008:administration & dosage / Q000191:economics*
chemical_list: D000929:Antidepressive Agents, Tricyclic; D017367:Selective Serotonin Reuptake Inhibitors