Critical appraisal:Navaneethan U, Kochhar G, Venkatesh PG, Lewis B, Lashner BA, Remzi FH, et al 2012 2 1

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Risk of bias assessment: cohort study

Subject selection
"New technology" group
Selected group
Comparison group
Selected group
Comparability of groups on demographic characteristics and clinical features
Not comparable but adjusted analysis used
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
Moderate 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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Critical Appraisal

Article being appraised

Navaneethan U, Kochhar G, Venkatesh PG, Lewis B, Lashner BA, Remzi FH, et al. Duration and severity of primary sclerosing cholangitis is not associated with risk of neoplastic changes in the colon in patients with ulcerative colitis. Gastrointest Endosc 2012 May;75(5):1045-1054.e1 Available from: http://www.ncbi.nlm.nih.gov/pubmed/22405258.


Applicable clinical question

Key Facts

Study Design


Number of Patients:

Not applicable



Evidence ratings

Risk of bias assessment: cohort study

Subject selection
"New technology" group
No response
Comparison group
No response
Comparability of groups on demographic characteristics and clinical features
No response
Measurement of outcomes
Outcome measures blind to technology used
No response
Same method of measurement used across comparison groups
No response
Completeness of follow-up
Was follow-up complete and were all patients included in the analysis?
No response
Result of appraisal

Jutta's tick icon.png Included




Completed by

Dr Albert Chetcuti BTech(Biotech) Hons, PhD


Article
Navaneethan U, Kochhar G, Venkatesh PG, Lewis B, Lashner BA, Remzi FH, et al. Duration and severity of primary sclerosing cholangitis is not associated with risk of neoplastic changes in the colon in patients with ulcerative colitis. Gastrointest Endosc 2012 May;75(5):1045-1054.e1 Available from: http://www.ncbi.nlm.nih.gov/pubmed/22405258.
Assigned to
User:Cecilia.taing
Topic area
Guidelines:Colorectal cancer/Colonoscopy surveillance
Clinical question
Form
Form:Quality appraisal cohort
Outcomes
Colorectal Cancer risk

Section below only relevant for Cancer Council Project Officer

Edit appraisal assignment