Table 2.

Survey questions and distributions of responses (N=95 PCPs)

Question	Answer Choice (Score)
Effectiveness of CTC	Not at all	Slightly	Moderately	Very	Extremely	Don’t Know
Perceived effectiveness of CTC on reducing CRC mortality	1%	1%	16%	52%	26%	4%
Guideline Influence on CRC Screening Recommendations	Not at all	Slightly	Moderately	Very	Extremely	Don’t Know
Influence of ACS guidelines	5%	11%	35%	24%	9%	16%
Influence of USPSTF guidelines	0%	3%	20%	35%	37%	5%
Screening Capacity	Inadequate	Just about right	More than enough	Don’t Know
Perceived organizational ability to meet demand for colonoscopy	75%	21%	1%	3%
Perceived organizational ability to meet demand for CTC	7%	57%	19%	17%
Education on CRC Screening	No	Yes	Don’t Know
CME course on CRC screening in past 3 years	68%	29%	2%
Number of Perceived Disadvantages to Screening with CTC Compared to colonoscopy*	0	1	2	3	4	5	6
Respondents could select as many of the following choices that applied: too expensive/insurance coverage inadequate false positive colonic findings following up on extra-colonic findings need for a second test if a polyp is found radiation exposure if follow-up imaging is necessary	8%	22%	26%	21%	8%	11%	3%
Number of Perceived Advantages to Screening with CTC Compared to colonoscopy†	0	1	2	3	4	5
Respondents could select as many of the following choices that applied: patient comfort and tolerability availability of appointments patients on anticoagulation/anti-platelet therapy patient sedation risk there are no advantages over colonoscopy	11%	5%	15%	23%	24%	22%
Tolerability/Comfort of Screening with CTC	Less tolerable than colonoscopy	Equivalent to colonoscopy	More tolerable than colonoscopy	Don’t Know
Perceived tolerability/comfort of CTC compared to colonoscopy	15%	37%	34%	15%
Complexity of Screening with CTC	More complex than colonoscopy	Equivalent to colonoscopy	Less complex than colonoscopy	Don’t Know
Perceived complexity of using CTC compared to colonoscopy	27%	49%	15%	8%

PCP = Primary Care Provider, CTC = Computed Tomographic Colonography, CRC = Colorectal Cancer, ACS = American Cancer Society, USPSTF = United States Preventive Services Task Force, CME = Continuing Medical Education

^*Additive score: 1 point for each “checked” response

^†Additive score: 1 point for each “checked” response, except for “There are no advantages over OC,” where 1 point was awarded for “unchecked”