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Table 4 Estimated differences in CRC screening referral rates that can be detected between arms for different baseline screen referral rates with 80% power

From: An electronic family health history tool to identify and manage patients at increased risk for colorectal cancer: protocol for a randomized controlled trial

Sample size (per arm) Baseline CRC screening referral rate for control arm (%) Estimated difference in CRC screening referral between arms (%)
250 60 13.2
250 65 12.7
250 70 12.0
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Trials

ISSN: 1745-6215