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Clinical Trial
. 2000 Aug;50(457):655-6.

What proportion of patients refuse consent to data collection from their records for research purposes?

R Baker  1 , C Shiels, K Stevenson, R Fraser, M Stone
Affiliations
Clinical Trial

What proportion of patients refuse consent to data collection from their records for research purposes?

R Baker et al. Br J Gen Pract. 2000 Aug.

Abstract

In a randomised trial of the implementation of guidelines for asthma and angina, we sent questionnaires that included a request for consent to collect data from the patient's clinical records to 5069 patients in 81 general practices. Of these 3429 (67.6%) responded, of whom 335 (9.8% [95%, CI = 8.8%-10.8%]) refused consent. We conclude that consent should always be sought unless a research ethics committee has waived this requirement for pressing reasons.

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