Last week, leading psychiatric researchers linked a 2004 increase in the suicide rate for children and adolescents to a warning by the Food and Drug Administration about the use of antidepressants in minors. The F.D.A. warning, the researchers suggested, might have resulted in severely depressed teenagers going without needed treatment.

But the data in the study, which was published in The American Journal of Psychiatry and received widespread publicity, do not support that explanation, outside experts say.

While suicide rates for Americans ages 19 and under rose 14 percent in 2004, the number of prescriptions for antidepressants in that group was basically unchanged and did not drop substantially, according to data from the study. Prescription rates for minors did fall sharply a year later, but the suicide rates for 2005 are not yet available from the Centers for Disease Control and Prevention.

“There doesn’t seem to be any evidence of a statistically significant association between suicide rates and prescription rates provided in the paper” for the years after the F.D.A. warnings, said Thomas R. Ten Have, a professor of biostatistics at the University of Pennsylvania.

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