| 释义 |
Controlled Clinical TrialPT 《英文msh词典》Publication Type英文释义Work consisting of a clinical trial involving one or more test treatments,at least one control treatment,specified outcome measures for evaluating the studied intervention,and a bias-free method for assigning patients to the test treatment.The treatment may be drugs,devices,or procedures studied for diagnostic,therapeutic,or prophylactic effectiveness.Control measures include placebos,active medicine,no-treatment,dosage forms and regimens,historical comparisons,etc.When randomization using mathematical techniques,such as the use of a random numbers table,is employed to assign patients to test or control treatments,the trial is characterized as a RANDOMIZED CONTROLLED TRIAL PUBLICATION TYPE.However,trials employing treatment allocation methods such as coin flips,odd-even numbers,patient social security numbers,days of the week,medical record numbers,or other such pseudo-or quasi-random processes are simply designated as controlled clinical trials. |