Critical appraisal:Abbott AM, Habermann EB, Parsons HM, Tuttle T, Al-Refaie W 2012

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Critical Appraisal

Article being appraised

Abbott AM, Habermann EB, Parsons HM, Tuttle T, Al-Refaie W. Prognosis for primary retroperitoneal sarcoma survivors: a conditional survival analysis. Cancer 2012 Jul 1;118(13):3321-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/22246900.


Applicable clinical question

Key Facts

Study Design

other — Retrospective study

Number of Patients:

1199


Includes an economic evaluation

no

Evidence ratings

Level of evidence

IV

Risk of bias
Low risk of bias Comments: This study uses registry data of patients with retroperitoneal sarcoma to analyse the effects of various prognostic factors at the time of diagnosis, 1 year and 5 years later. Only high grade was a significant factor for survival at 5 years.
Size of effect
5 Reason for decision: It is difficult to apply this criterion to this study type
Relevance of evidence
6 Additional comments: It is difficult to apply this criterion to this study type
Result of appraisal

Jutta's tick icon.png Included




Completed by

Dr Warren Hargreaves


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


Article
Abbott AM, Habermann EB, Parsons HM, Tuttle T, Al-Refaie W. Prognosis for primary retroperitoneal sarcoma survivors: a conditional survival analysis. Cancer 2012 Jul 1;118(13):3321-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/22246900.
Assigned to
User:Warren.hargreaves
Topic area
Guidelines:Guidelines:Sarcoma/Multidisciplinary treatment
Clinical question
Form
Form:Critical appraisal


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