Table I.
Categories of consensusa
| Category 1 | Uniform consensus based on high-level evidence that the recommendation is appropriate. |
| Category 2A | Uniform consensus based on lower level evidence, including clinical experience, that the recommendation is appropriate. |
| Category 2B | Non-uniform consensus, but no major disagreement, based on lower-level evidence, including clinical experience, that the recommendation is appropriate. |
| Category 3 | Major disagreement that the recommendation is appropriate. |
a
All recommendations in this statement are category 2A unless otherwise indicated.