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Diagnostic and Therapeutic Technology Assessment (DATTA)

JAMA. 1992;267(2):286-294. doi:10.1001/jama.1992.03480020096040.
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"Safe" and "effective" are defined as follows: Satety is the condition of presenting a reasonably low risk of harm, injury, or ioss when a technology is utilized in the specified indication: and effectiveness is the quality of producing a desired, beneficial effect under the conditions of actual use. The categories for response to a DATTA question are defined as follows: Established—this technology has been adequately evaluated, and its (A) safety or (B) effectiveness is accepted as appropriate by the practicing medical community for the given indication in the specified patient population; promising—given current knowledge, the (A) safety or (B) effectiveness of this technology appears to be appropriate for the given indication in the specified patient population; as more experience and long-term follow-up are accumulated, this interim rating will change; investigational—there is no consensus on the (A) safety or (B) effectiveness of this technology to date, there is insufficient evidence to determine its appropriateness, or it warrants further study; use of this technology for the given indication in the specified patient population should be confined largely to research protocols; doubtful—given current knowledge, the (A) safety or (B) effectiveness of this technology appears to be inappropriate for the given indication in the specified patient population; as more experience and long-term follow-up are accumulated, this interim rating will change; and unacceptable—the (A) safety or (B) effectiveness of this technology is regarded by the practicing medical community as inappropriate for the given indication in the specified patient population.
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