The proportion of patients choosing colonoscopy over other test options differed somewhat between those viewing the 5-option version and 2-option version when no out-of-pocket costs were assumed, although the results did not reach statistical significance (68% vs. 46%, χ 2 p = 0.11).
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The effect of offering different numbers of colorectal cancer screening test options in a decision aid: a pilot randomized trial.
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0.1100