Informed consent and potential bias.
نویسنده
چکیده
منابع مشابه
Participant Informed Consent in Cluster Randomized Trials: Review
BACKGROUND The Nuremberg code defines the general ethical framework of medical research with participant consent as its cornerstone. In cluster randomized trials (CRT), obtaining participant informed consent raises logistic and methodologic concerns. First, with randomization of large clusters such as geographical areas, obtaining individual informed consent may be impossible. Second, participa...
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AIMS Pragmatic randomized clinical trials (pRCTs) collect data that have the potential to improve medical care significantly. However, these trials may be undermined by the requirement to obtain written informed consent, which can decrease accrual and increase selection bias. Recent data suggest that the majority of the US public endorses written consent for low-risk pRCTs. The present study wa...
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BACKGROUND Implementation of the Health Insurance Portability and Accountability Act (HIPAA) Privacy Rule has the potential to affect data collection in outcomes research. METHODS To examine the extent to which data collection may be affected by the HIPAA Privacy Rule, we used a quasi-experimental pretest-posttest study design to assess participation rates with informed consent in 2 cohorts o...
متن کاملWritten informed consent and selection bias in observational studies using medical records: systematic review
OBJECTIVES To determine whether informed consent introduces selection bias in prospective observational studies using data from medical records, and consent rates for such studies. DESIGN Systematic review. DATA SOURCES Embase, Medline, and the Cochrane Library up to March 2008, reference lists from pertinent articles, and searches of electronic citations. STUDY SELECTION Prospective obse...
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Background Informed consent is an important part of the patients’ rights and hospitals are assigned to obtain informed consent before any diagnostic or therapeutic procedures. Obtaining an informed consent enables patients to accept or reject their care or treatments and prevent future contentions among patients and medical staff. Methods This survey was carried out during 2011-2. We assessed...
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ورودعنوان ژورنال:
- Journal of the Medical Association of Thailand = Chotmaihet thangphaet
دوره 89 7 شماره
صفحات -
تاریخ انتشار 2006