Critical appraisal:Chang Y, Liu B, Liu GS, Wang T, Gong J 2010

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Critical Appraisal

Article being appraised

Chang Y, Liu B, Liu GS, Wang T, Gong J. Short-segment Barrett's esophagus and cardia intestinal metaplasia: A comparative analysis. World J Gastroenterol 2010 Dec 28;16(48):6151-4 Abstract available at http://www.ncbi.nlm.nih.gov/pubmed/21182233.


Applicable clinical question

Key Facts

Study Design

case series

Number of Patients:

73


Includes an economic evaluation

no

Evidence ratings

Level of evidence

IV

Risk of bias
High risk of bias Comments: Two groups of consecutive patients from single institution. Compare SSBE and SIM

Risk of bias assessment: case series

Subject selection:
Highly selected or not described (e.g. single-institution study)
Were the outcome measures blind to pre/post-intervention?
No or not described
Follow-up complete and all patients included in the analysis?
Reasonable (follow-up >80%)
Size of effect
2 Reason for decision: Small numbers but statistically significant differences.
Relevance of evidence
2 Additional comments: Low quality study and small numbers, but provides a degree of important information regarding the incidence of dysplasia and associated features of each group
Result of appraisal




Completed by

Dr Henry To


Jutta's tick icon.png This appraisal has been completed.


Article
Chang Y, Liu B, Liu GS, Wang T, Gong J. Short-segment Barrett's esophagus and cardia intestinal metaplasia: A comparative analysis. World J Gastroenterol 2010 Dec 28;16(48):6151-4 Abstract available at http://www.ncbi.nlm.nih.gov/pubmed/21182233.
Assigned to
User:Henry.to
Topic area
Guidelines:Barrett's
Clinical question
Form
Form:Critical appraisal


Section below only relevant for Cancer Council Project Officer

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