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

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 …