40%目前正使用中的臨床處置被證明為無效、或有害的
【30秒重點】 面對任何治療時,先問「有效嗎?有什麼證據?」,而不只是問它怎麼作用。 紐約時報報導:在研究過的既有醫療處置中,超過40%被發現無效或有害,38%有益,22%不明。 相關研究分析了146個後來被推翻的醫療做法。 Prasad醫師說,病人該問的不是它怎麼作用,而是它到底有沒有效。 2013/07/28 Medical Procedures May Be Useless, or Worse 紐約時報的文章看完,只覺得我沒有實證的「感覺」會越來越被證實。 「More than 40 percent of established practices studied were found to be ineffective or harmful, 38 percent beneficial, and the remaining 22 percent unknown.」 一個重要問題在最後: 「Patients, too, like to talk about mechanisms, Dr. Prasad added. 「They tend to gravitate toward the nuts and bolts — what does it do, how does it work?」 he said. 「But the real question is: Does it work? What evidence is there that it does what you say it does? What trials show that it actually works? You shouldn't ask how does it work, but whether it works at all.」 真正的問題在於: 有效嗎? 有興趣的應該看看: A Decade of Reversal: An Analysis of 146 Contradicted Medical Practices