Doubling up on stool-based tests catches more colorectal cancers: study

A two-test strategy has sensitivity of almost 100% compared to 84% for a single test, research shows.
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Carrying out two stool-based tests improves sensitivity and cuts the number of missed colorectal cancers, according to a UK study. 

Researchers compared the diagnostic performance of a single faecal immunochemical test (FIT) versus a double FIT in symptomatic patients.