The number needed to treat: a clinically useful measure of treatment effect.

They may be clinically useful in treating congestive heart disease.

It is relatively rapid, and can deliver answers in clinically useful times (such as 12-48 hours).

The measurement of hormone levels in the saliva is not clinically useful.

One example is its failure to make clinically useful progress on cancer.

That version did not exchange enough oxygen and carbon dioxide to be clinically useful.

Later, this experience motivated him to start his own companies to provide the necessary capital for developing clinically useful medical devices.

The academy committee also specified the kinds of tests that would be most likely to yield clinically useful results.

"I don't think the results of this will be clinically useful," says Johnson, who was not involved in the study.

Useful clinically or in related areas where the definition will be used.