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. 2010 Jun 1;69(6):964–975. doi: 10.1136/ard.2009.126532

Table 2.

Level of evidence, grade of recommendation and level of agreement

Recommendation Level of evidence Grade of recommendation Level of agreement
1 1a A 9.9±0.4
2 1b A 9.7±0.7
3 1a A 9.8±0.5
4 1a A 8.6±1.5
5 1a− A 8.5±2.0
6 1a− A 8.7±1.7
7 5 D 8.8±1.7
8 *1b *A 9.3±1.5
†4 †C
9 1b A 9.5±0.9
10 1a- B 8.1±1.6
11 1b B 9.2±1.2
12 3b B 8.4±1.6
13 4 C 8.5±1.9
14 2b C 8.0±2.3
15 3b C 9.5±1.1

Symbols refer to the corresponding symbols in the recommendations presented in table 1 and show the respective evidence for those.

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