Critical appraisal:1991 2

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Critical Appraisal

Article being appraised
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Applicable clinical question

Key Facts

Study Design

cross sectional study

Number of Patients:


Includes an economic evaluation


Evidence ratings

Level of evidence


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

Risk of bias assessment: cross-sectional study

Subject selection
Selected group (e.g. multi-institution study)
Comparability of groups analysed on demographic characteristics
Not comparable and not adjusted for differences
Participation rate
High participation rate (>80%) and no important differences between participants and non-participants
Size of effect
5 Reason for decision: Please replace this text and briefly describe the reasons for your rating
Result of appraisal

Jutta's tick icon.png Included

Completed by

Associate Professor Guy Eslick

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

  1. REDIRECT Critical appraisal:Gruppo Operativo per lo Studio delle Precancerosi dell'Esofago 1991