Table 3

Conclusions drawn by authors of systematic reviews on the effectiveness of studied therapies and the robustness of the included data, n=20

Total reviews% of reviewsReferences
Conclusion drawn on treatment
 Effective136512 13 16 17 19 22–24 26 27 29–31
 Unsure63014 15 18 21 25 28
 Not effective1520
Conclusion drawn on robustness of work
 Robust evidence, results could be refined further but is not essential42017 19 29 31
 More evidence would be beneficial84012 13 20 22–24 27 30
 Not enough evidence, more needed73514–16 21 25 26 28
 Not reported1518