Table 1.

Degrees of recommendation and decision criteria

Degree of recommendation	Decision criteria
Strong recommendation [SR]	There is sufficient evidence and the benefits of testing outweigh the losses for patients
Recommendation [R]	There is certain evidence, considering the balance between benefits and losses for patients
Expert consensus opinion [ECO]	A certain consensus has been obtained although evidence and information that shows patient benefits cannot be said to be sufficient
Not recommended [NR]	There is no evidence