To the Editor.—As members of the Health Summit Working Group, we have been addressing the questions posed by Dr Jadad and Ms Gagliardi.1 We are pleased to recognize that their findings supported our own in that most rating systems are vague and none has been scientifically evaluated to determine their accuracy and reliability (http://hitiweb.mitretek.org/docs/criteria.html, originally posted May 27, 1997). In addition, we are aware that many articles presented criteria in journals and the lay press, but the criteria have not been empirically supported. For this reason, we have not submitted our findings beyond that of our Web site (the purpose of this site is to enable collaboration).
Rippen HE, Guard R, Kragen M, Byrns P, Silber D, Buckovich S. Internet Health Ratings Systems: Knowledge vs Babel. JAMA. 1998;280(8):697–699. doi:10-1001/pubs.JAMA-ISSN-0098-7484-280-8-jbk0826
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