Intended for healthcare professionals

Letters Antidepressant use and FDA warnings

Impossible to draw meaningful conclusions from study of changes in antidepressant use after FDA warnings

BMJ 2014; 349 doi: (Published 09 October 2014) Cite this as: BMJ 2014;349:g5643
  1. John M Nardo, retired psychiatrist, Emory University1
  1. 13720 Grandview Road, Jasper, GA 30143, USA
  1. jnardo{at}

In 2010, Patrick and colleagues queried two databases with high rates of external injury coding (E coding) completeness to find a proxy for absent E codes. They chose “a diagnosis of poisoning, toxic effects, open wound to elbow, wrist, or forearm, or asphyxiation; plus a diagnosis of depression, mania, personality disorder, psychotic disorder, or adjustment reaction” on the basis of sensitivity, specificity, and …

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