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Reference/Study Question
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Methods
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Geographic variation in patient surveillance after colon cancer surgery (Johnson et al., 1996a)
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Method: These five articles describe variation in patient surveillance after colon cancer surgery as reported in two provider surveys.
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How practice patterns in colon cancer patient follow-up affected by surgeon age (Johnson et al., 1996c)
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Sample: 1,663 members of the American Society are of Colon and Rectal Surgeons (ASCRS) were asked in 1992 by mailed questionnaire how often they request these nine follow-up evaluations for their patients treated for cure with TNM Stage I, II, or III colon cancer over the first 5 post-treatment years:
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Clinic visits
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Complete blood count
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Liver function tests
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Serum carcinoembryonic antigen (CEA) level
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Chest X ray
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Bone scan
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CT scan
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Colonoscopy
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Sigmoidoscopy
46% (757/1,663) of ASCRS members completed the survey and 39% (646/1,663) provided evaluable data.
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How tumor stage affects surgeons’ surveillance strategies after colon cancer surgery (Johnson et al., 1995)
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Surveillance after curative colon cancer resection: Practice patterns of surgical subspecialists (Virgo et al., 1995)
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Current follow-up strategies after resection of colon cancer: Results of a survey of members of the American Society of Colon and Rectal Surgeons (Vernava et al., 1994)
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The same questionnaire was administered to 1,070 members of the Society of Surgical Oncology (SSO) in 1993.
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33% (349/1,070) of SSO members provided evaluable responses.
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Statistical methods: Repeat measures of analysis of variance.
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Explanatory variables: Tumor stage and year post-surgery, MSA/city and MSA size, surgeon age, training period, and country of practice (United States versus foreign).
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