Critical appraisal:Melson J, Ma K, Arshad S, Greenspan M, Kaminsky T, Melvani V, et al 2016 5

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Risk of bias assessment: cohort study

Subject selection
"New technology" group
Representative of eligible patients.
Comparison group
Representative of eligible patients
Comparability of groups on demographic characteristics and clinical features
Comparable
Measurement of outcomes
Outcome measures blind to technology used
No, but objective measures used
Same method of measurement used across comparison groups
Yes
Completeness of follow-up
Was follow-up complete and were all patients included in the analysis?
Yes (follow-up >95%) or survival analysis using all patients
Overall risk of bias
Low risk of bias Additional comments: Please replace this text and include any additional comments in regards to your risk of bias rating


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Article
Melson J, Ma K, Arshad S, Greenspan M, Kaminsky T, Melvani V, et al. Presence of small sessile serrated polyps increases rate of advanced neoplasia upon surveillance compared with isolated low-risk tubular adenomas. Gastrointest Endosc 2016 Aug;84(2):307-14 Available from: http://www.ncbi.nlm.nih.gov/pubmed/26855297.
Assigned to
User:Cecilia.taing
Topic area
Guidelines:Colorectal cancer/Colonoscopy surveillance
Clinical question
Form
Form:Quality appraisal cohort
Outcomes
all outcomes

Section below only relevant for Cancer Council Project Officer

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