Critically Appraising Study Of Harm

Question 1

Best study for intervention and therapy

Answer 1

RCT or Systemic review

Question 2

Best study for etiology/harm/risk factors?

Answer 2

Cohort - case control - RCT (if ethical)

Question 3

Best study for diagnosis and screening?

Answer 3

RCT and Cohort

Question 4

Best study for prognosis

Answer 4

Longitudinal Cohort

Question 5

Has low susceptibility to bias

Answer 5

RCT

Question 6

Which of the following asses the exposure status?

• RCT.
• Cohort.
• Case control.

Answer 6

Case control

Question 7

Which of the following starts from the outcome?

• RCT.
• Cohort.
• Case control.

Answer 7

C

Question 8

Deals with disease free individuals

Answer 8

Cohort study

Question 9

GATE stands for

Answer 9

Graphic appraisal tool for epidemiological studies

Question 10

Used to asses the association between exposure and outcomes

Answer 10

Case control study

Question 11

Good to study rare outcomes or or those that takes long time to devolp

Answer 11

Case control

Question 12

when knowledge of being a case, or control, may affect the manner in which an individual remembers a certain event or exposure.

Answer 12

Reporting/ recall bias

Question 13

Odds of the exposure in the cases / odds of the exposure in the controls

Answer 13

Odds ratio

Question 14

If the OR is almost equal to the RR this means

Answer 14

That the disease is rare

Question 15

The odds ratio is good estimate of the RR when the disease is?

• Frequent.
• Infrequent.

Answer 15

Infrequent

Question 16

If OR>1

Answer 16

Event is harmful

Question 17

If OR< 1

Answer 17

Event is beneficial