Statistics

Question 1

Class of recommendation (COR)

Answer 1

an estimate of the size of the treatment effect when considering risks versus benefit in addition to agreement that a given treatment is effective or may cause harm

Question 2

Level of evidence (LOE)

Answer 2

an estimate of the certainty or precision of the treatment effect. Ranked as A, B, C.

Question 3

Level of evidence C

Answer 3

Very limited data. Only consensus of expert opinion, case studies or standard of care

Question 4

Class of recommendations 1

Answer 4

The procedure should be performed because the benefit greatly outweighs the risk