L3 GDC 411

What is the best type of study to inform clinical decisions about therapy?

• Case Report

• Randomized controlled trial

• Cross sectional study

• Cohort study

Which aspect of an RCT is assessed in critical appraisal?

• Validity

• Costs

• Language

• Discussion

Which of the following is an appropriate method of randomization?

• Assigning patients based on their birth of date

• Assigning patients based on their admission

• Random number table

• Patients' record numbers

Prognostic balance can be maintained by:

• High participants to be lost

• Only per-protocol analysis performed

• Not completed trial

• ITT analysis performed

When investigators ensuring that patients, clinicians, and those collecting data and assess the outcome are unaware of whether patients are receiving the intervention or control.

• Blinding

• Randomization

• Allocation concealment

• None of the above