Critical appraisal:Cameron AJ, Ott BJ, Payne WS 1985

From Cancer Guidelines Wiki

Critical Appraisal

Article being appraised

Cameron AJ, Ott BJ, Payne WS. The incidence of adenocarcinoma in columnar-lined (Barrett's) esophagus. N Engl J Med 1985 Oct 3;313(14):857-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/4033716.


Applicable clinical question

Key Facts

Study Design

case series

Number of Patients:

104


Includes an economic evaluation

no

Evidence ratings

Level of evidence

IV

Risk of bias
High risk of bias Comments: Mayo Clinic records were reviewed, and all cases that met predefined histologic criteria for the diagnosis of Barrett's esophagus in 1979 or earlier were included

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?
Yes (follow-up >95%)
Size of effect
2 Reason for decision: Provides objective data on incidence of OC post BO.
Relevance of evidence
1 Additional comments: Retrospective study with complete ascertainment.
Result of appraisal

Jutta's tick icon.png Included



Comments

Complete ascertainment of cases - histological verification. The status of the remaining 104 cases was determined after a mean interval of 8.5 years. During this time, adenocarcinoma of the esophagus developed in 2 patients.

Completed by

Associate Professor Freddy Sitas


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


Article
Cameron AJ, Ott BJ, Payne WS. The incidence of adenocarcinoma in columnar-lined (Barrett's) esophagus. N Engl J Med 1985 Oct 3;313(14):857-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/4033716.
Assigned to
User:Freddy.sitas
Topic area
Guidelines:Barrett's
Clinical question
Form
Form:Critical appraisal


Section below only relevant for Cancer Council Project Officer

Edit appraisal assignment