"Fifteen percent of the guidelines were based on good clinical evidence.
After all, he notes, the national guidelines were based on results from large randomized clinical trials.
The design guidelines were based on the facades of prewar housing on the Upper East and West Sides of Manhattan.
He said one possible explanation for the gap between these findings and the longstanding warnings against antidepressant use is that the guidelines were based on experiences with older drugs.
Dr. Diana Petitti, vice chairwoman of the task force and a professor of biomedical informatics at Arizona State University, said the guidelines were based on new data and analyses and were aimed at reducing the potential harm from overscreening.
Mr. Vallone said that Con Ed was paying only for what it was required to cover, and that reimbursement guidelines were based on power failures that lasted a few hours, not days, weeks or months.
The guidelines were based on the principle that federal agents should not compile dossiers on people and groups without some reason to be believe a crime had been committed.
Last year in The Journal of the American Medical Association, Tricoci and his co-authors wrote that only 11 percent of 2,700 widely used cardiac-treatment guidelines were based on that gold standard.
These guidelines were based on a large body of science showing that 150 minutes of moderate exercise was associated with a longer life span and a reduced risk of heart disease, diabetes and other illnesses.
Under his aegis, the church in individual countries has implemented policies on child protection which are based precisely on the need to alert the police where there are allegations of abuse (in Britain the guidelines were based on a report by Lord Nolan, independently of the church).
These guidelines were based on two very small methodologically flawed randomised controlled trials (RCTs).
