Table 9 The risk of bias and study quality for each fibromyalgia review
From: A comparison of two assessment tools used in overviews of systematic reviews: ROBIS versus AMSTAR-2
Fibromyalgia | AMSTAR-2 | ROBIS |
|---|---|---|
Multiple CAM therapies | ||
 Holdcraft 2003 [14] | CL | Low |
 Baronowsky 2009 [15] | CL | High |
CL | High | |
 De Silva 2010 [18] | CL | High |
Homoeopathy | ||
 Perry 2010 [19] | CL | Low |
 Boehm 2014 [20] | CL | High |
Chiropractic treatment | ||
 Ernst 2009 [21] | CL | Unclear |
Acupuncture | ||
 Mayhew and Ernst 2007 [22] | CL | Low |
 Daya 2007 [23] | CL | Low |
 Langhorst 2010 [24] | CL | Low |
 Martin-Sanchez 2009 [25] | CL | High |
 Cao 2013 [26] | CL | Low |
 Deare 2013 [13] | LOW | Low |
 Yang 2014 [27] | CL | High |
Herbal medicines | ||
 de Souza Nascimento 2013 [28] | CL | Low |