Table 2

Level of evidence, grade of recommendation and level of agreement

RecommendationLevel of evidenceGrade of recommendationLevel of agreement
11aA9.9±0.4
21bA9.7±0.7
31aA9.8±0.5
41aA8.6±1.5
51a−A8.5±2.0
61a−A8.7±1.7
75D8.8±1.7
8*1b*A9.3±1.5
†4†C
91bA9.5±0.9
101a-B8.1±1.6
111bB9.2±1.2
123bB8.4±1.6
134C8.5±1.9
142bC8.0±2.3
153bC9.5±1.1
  • Symbols refer to the corresponding symbols in the recommendations presented in table 1 and show the respective evidence for those.