Letters

Study is based on unproved assumptions

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.6996.55a (Published 01 July 1995) Cite this as: BMJ 1995;311:55
  1. Allan House,
  2. Trevor Sheldon,
  3. Nick Freemantle
  1. Consultant Department of Liaison Psychiatry, Leeds General Infirmary, Leeds LS1 3EX
  2. Director NHS Centre for Reviews and Dissemination, University of York YO1 5DD
  3. Research fellow Centre for Health Economics, University of York, York YO1 5DD

    EDITOR,--John A Henry and colleagues draw several familiar conclusions from their study of suicide and antidepressants.1 They argue that their data “provide a useful guide to the relative toxicities of drugs and an indication of the needs for prescribing policy” and suggest that a considerable number of suicides could be prevented by a switch to routine prescribing of selective serotonin reuptake inhibitors. This opinion is not always expressed in such restrained terms--as the accompanying editorial reminds us2--and yet it is based on two unproved assumptions. The first is that relative mortality due to overdose is the same …

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