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. 2007 Sep;83(983):612–614. doi: 10.1136/pgmj.2007.059634

Table 2 Distribution of questionnaire responses from 91 patients on follow up following curative treatment for colorectal cancer.

Questionnaire responses Number of patients (%) n = 91
Do you worry that the cancer may come back?
A lot 4 (4%) Somewhat 15 (17%) A little 58 (64%) Not at all 14 (15%)
Would you wish to have the test even though it sometimes fails to pick up a recurrence?
Yes 90 (99%) No 0 Don't know 1 (1%)
Would you wish to have the test even though it may cause undue worry by being falsely positive?
Yes 90 (99%) No 0 Don't know 1 (1%)
When you have a blood test at the clinic, do you worry about the result?
A lot 8 (9%) Somewhat 7 (8%) A little 39 (43%) Not at all 37 (40%)
How reassured are you by a normal CEA test result?
A lot 49 (54%) Somewhat 23 (25%) A little 13 (14%) Not at all 2 (2%) No answer 4(4%)
Out of 100 patients with a recurrence, how many would need to be curable before you would consider the test worth taking?
100 4 (4%) 50 19 (21%) 10 19 (21%) 1 38 (42%) No answer 10 (11%)
If you had no symptoms but a blood test told us your cancer was back, would you wish to know, even if we could not cure you?
Yes 88 (97%) No 0 Don't know 0 No answer 3 (3%)