Critical appraisal:Balch CM, Gershenwald JE, Soong SJ, Thompson JF, Atkins MB, Byrd DR, et al 2009

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Critical Appraisal

Article being appraised

Balch CM, Gershenwald JE, Soong SJ, Thompson JF, Atkins MB, Byrd DR, et al. Final version of 2009 AJCC melanoma staging and classification. J Clin Oncol 2009 Dec 20;27(36):6199-206 Available from: http://www.ncbi.nlm.nih.gov/pubmed/19917835.


Applicable clinical question

Key Facts

Study Design

cohort study

Study aims:

To revise the staging system for cutaneous melanoma on the basis of data from an expanded American Joint committee on Cancer (AJCC) melanoma staging database.

Number of Patients:

3307

30946 patients combined, 3307 stage III patients
Reported outcome(s):

Survival

Results of outcome(s):

Five-year survival was 59% for melanoma patients IIIB (P < .0001)

Includes an economic evaluation

no

Evidence ratings

Level of evidence

II

Risk of bias
Moderate risk of bias Comments: Please replace this text and include any additional comments in regards to your risk of bias rating

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
Not comparable but adjusted analysis used
Measurement of outcomes
Outcome measures blind to technology used
Yes
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
Result of appraisal

Jutta's tick icon.png Included




Completed by

Lyndal Alchin


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


Article
Balch CM, Gershenwald JE, Soong SJ, Thompson JF, Atkins MB, Byrd DR, et al. Final version of 2009 AJCC melanoma staging and classification. J Clin Oncol 2009 Dec 20;27(36):6199-206 Available from: http://www.ncbi.nlm.nih.gov/pubmed/19917835.
Assigned to
User:Lyndal.alchin
Topic area
Guidelines:Melanoma
Clinical question
Form
Form:Critical appraisal


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