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Table 1 Trial phases and time frame for receipt of study documentation

From: Assessment of data quality in an international multi-centre randomised trial of coronary artery surgery

Trial Documents Time Frame
Screening data Mailed to CTEU within 17 days of randomisation
In-hospital data Mailed to CTEU within 17 days of the surgery
6 week follow-up Mailed to CTEU within 17 days of follow up visit
Annual follow-ups Mailed to CTEU within 17 days of follow up visit
Edit queries Faxed to CTEU within 3 weeks of receipt
Adverse event form Faxed to CTEU within 72 hours of knowledge of the event