Bias from requiring explicit consent from all participants in observational research: Prospective, population based study

British Medical Journal

Volumn 331, Issue 7522, 2005, Pages 942-945

  Al Shahi, Rustam ^a   Vousden, Céline ^a   Warlow, Charles ^a  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; BRAIN ARTERIOVENOUS MALFORMATION; BRAIN HEMORRHAGE; CLINICAL FEATURE; COHORT ANALYSIS; CONTROLLED STUDY; DEMOGRAPHY; DIAGNOSTIC PROCEDURE; FEMALE; FOLLOW UP; GENERAL PRACTITIONER; HEALTH SERVICE; HUMAN; INFORMED CONSENT; MAJOR CLINICAL STUDY; MALE; MEDICAL RESEARCH; OBSERVATION; OUTCOMES RESEARCH; POPULATION; PRIMARY MEDICAL CARE; PRIORITY JOURNAL; PROSPECTIVE STUDY; RISK ASSESSMENT; SEIZURE; SOCIOECONOMICS; SURVIVAL; TIME SERIES ANALYSIS;

BIOMEDICAL AND BEHAVIORAL RESEARCH; EMPIRICAL APPROACH;

ADOLESCENT; ADULT; AGED; CENTRAL NERVOUS SYSTEM VASCULAR MALFORMATIONS; EPIDEMIOLOGIC METHODS; FEMALE; HUMANS; INFORMED CONSENT; INTRACRANIAL HEMORRHAGES; MALE; MIDDLE AGED; PATIENT SELECTION; PROGNOSIS; SCOTLAND; SEIZURES; SELECTION BIAS;

EID: 27144485387     PISSN: 09598146     EISSN: None     Source Type: Journal    
DOI: 10.1136/bmj.38624.397569.68     Document Type: Article

References (6)

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3. Protecting patient privacy: striking a balance. Lancet 2001;358:597.
4. Tu JV, Willison DJ, Silver FL, Fang J, Richards JA, Laupacis A, et al. Impracticability of informed consent in the Registry of the Canadian Stroke Network. N Engl J Med 2004;350:1414-21.
5. Al-Shahi R, Bhattacharya JJ, Currie DG, Papanastassiou V, Ritchie V, Roberts RC, et al. Scottish intracranial vascular malformation study (SIVMS): evaluation of methods, ICD-10 coding, and potential sources of bias in a prospective, population-based cohort Stroke 2003;34:1156-62.
6. Jacobsen SJ, Xia Z, Campion ME, Darby CH, Plevak MF, Seltman KD, et al. Potential effect of authorization bias on medical record research. Mayo Clin Proc 1999;74:330-8.