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The effect of seeking consent on the representativeness of patient cohorts: iron-deficiency anaemia and colorectal cancer.

Abstract:

AIM: The study aimed to establish the level of selection bias that may occur should individual patient consent be sought, by comparing characteristics of consenters and nonconsenters to a request for access to medical records within a cohort of patients diagnosed with iron-deficiency anaemia (IDA). METHOD: A cohort study and cross-sectional survey was carried out of consent preferences that compared the sociodemographic characteristics of patients providing or not providing consent for access...

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Publication status:
Published

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Journal:
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland
Volume:
13
Issue:
11
Pages:
e366-e373
Publication date:
2011-11-01
DOI:
EISSN:
1463-1318
ISSN:
1462-8910
Source identifiers:
205829

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