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The following are guidelines for critically appraising relevant articles. Please select the guidelines which correspond the your article

1 Randomised Controlled Trials (Therapy)

2 Systematic Reviews

3 Diagnosis 

The following are useful definitions and formulaes which will faciliate the critical appraisal process:

1. NNT

2. Pretest Probability

3. Sensitivity and Specificity

4. Likelihood Ratios

This material has been obtained from the the Centre for Evidenced based Medicine. For more information go to www.cebm.net