• 四川大學(xué)華西醫(yī)院衛(wèi)生部中國循證醫(yī)學(xué)中心、Chinese Cochrane Centre、中國臨床試驗注冊中心、循證醫(yī)學(xué)與臨床流行病學(xué)教研室(成都 610041);

“分配隱藏”很容易被誤解而被廣大臨床試驗實施者和論文作者所忽略,尤其是常將“分配隱藏”與盲法混淆。分配隱藏實質(zhì)是產(chǎn)生隨機序列者和決定分配序別者不能參與納入受試者,也不宜參與以后的試驗過程,尤其不能參與結(jié)果的測量。本文通過實例介紹了正確的分配隱藏和盲法實施過程。最后,還舉例介紹了論文寫作中方法學(xué)的描述。

引用本文: 吳泰相,劉關(guān)鍵. 隱蔽分組(分配隱藏)和盲法的概念、實施與報告. 中國循證醫(yī)學(xué)雜志, 2007, 07(3): 222-225. doi: 復(fù)制

版權(quán)信息: ?四川大學(xué)華西醫(yī)院華西期刊社《中國循證醫(yī)學(xué)雜志》版權(quán)所有,未經(jīng)授權(quán)不得轉(zhuǎn)載、改編

1. Jadad AR. Randomised controlled trials, A user’s guide. [2007-01-26]http://www.cgmh.org.tw/intr/intr5/c6700/OBGYN/F/Randomized%20tial/chapter1.html.
2. Chalmers TC, Celano P, Sacks HS, et al. Bias in treatment assignment in controlled clinical trials. N Engl J Med, 1983, 309: 1359–1361.
3. Schulz KF, Chalmers I, Hayes RJ, et al. Empirical evidence of bias: dimensions of methodological quality associated with estimates of treatment effects in controlled trials. JAMA, 1995, 273: 408–412.
4. Schulz KF. Subverting randomization in controlled trials. JAMA, 1995, 274: 1456–1458.
5. Pildal J, Chan AW, Hróbjartsson A, et al. Comparison of descriptions of allocation concealment in trial protocols and the published reports: cohort study. BMJ, 2005, 330: 1049.
6. Moher D, Fortin P, Jadad AR, et al. Completeness of reporting of trials published in languages other than English: implications for conduct and reporting of systematic reviews. Lancet, 1996, 347: 363–366.
  1. 1. Jadad AR. Randomised controlled trials, A user’s guide. [2007-01-26]http://www.cgmh.org.tw/intr/intr5/c6700/OBGYN/F/Randomized%20tial/chapter1.html.
  2. 2. Chalmers TC, Celano P, Sacks HS, et al. Bias in treatment assignment in controlled clinical trials. N Engl J Med, 1983, 309: 1359–1361.
  3. 3. Schulz KF, Chalmers I, Hayes RJ, et al. Empirical evidence of bias: dimensions of methodological quality associated with estimates of treatment effects in controlled trials. JAMA, 1995, 273: 408–412.
  4. 4. Schulz KF. Subverting randomization in controlled trials. JAMA, 1995, 274: 1456–1458.
  5. 5. Pildal J, Chan AW, Hróbjartsson A, et al. Comparison of descriptions of allocation concealment in trial protocols and the published reports: cohort study. BMJ, 2005, 330: 1049.
  6. 6. Moher D, Fortin P, Jadad AR, et al. Completeness of reporting of trials published in languages other than English: implications for conduct and reporting of systematic reviews. Lancet, 1996, 347: 363–366.