Critical appraisal:Van Hezewijk M, Creutzberg CL, Putter H, Chin A, Schneider I, Hoogeveen M, et al 2010 2

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

Comparable

Measurement of outcomes

Outcome measures blind to technology used

No or not described

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

Low risk of bias

Additional comments:

This appraisal has been completed.

Article

van Hezewijk M, Creutzberg CL, Putter H, Chin A, Schneider I, Hoogeveen M, et al. Efficacy of a hypofractionated schedule in electron beam radiotherapy for epithelial skin cancer: Analysis of 434 cases. Radiother Oncol 2010 May;95(2):245-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/20334941.

Assigned to

User:Albert.chetcuti

Topic area

Guidelines:Keratinocyte carcinoma

Clinical question

• When should radiotherapy be used alone, or in combination with surgical excision to treat those with keratinocyte carcinomas?

Form

Form:Quality appraisal cohort

Outcomes

3 years local recurrence free rate; Cosmetic outcome

Section below only relevant for Cancer Council Project Officer

Edit appraisal assignment