AMSTAR validity tool
- 1.Was an a priori design provided?
- 2.Was there duplicate study selection and data extraction?
- 3.Was a comprehensive literature search performed?
- 4.Was the status of publication (i.e., grey literature) used as an inclusion criterion?
- 5.Was a list of studies (included and excluded) provided?
- 6.Were the characteristics of the included studies provided?
- 7.Was the scientific quality of the included studies assessed and documented?
- 8.Was the scientific quality of the included studies used appropriately in formulating conclusions?
- 9.Were the methods used to combine the findings of the studies appropriate?
- 10.Was the likelihood of publication bias assessed?
- 11.Was the conflict of interest stated?
VAS pain sensitivity analysis
Conflicts of interest
Appendix A. Supplementary material
- Effectiveness of low-level laser therapy in patients with knee osteoarthritis: a systematic review and meta-analysis.Osteoarthritis Cartilage. 2015; 23: 1437-1444
- Short-term efficacy of physical interventions in osteoarthritic knee pain. A systematic review and meta-analysis of randomised placebo-controlled trials.BMC Musculoskelet Disord. 2007 Jun 22; 8: 51
- Meta-analysis of pain relief effects by laser irradiation on joint areas.Photomed Laser Surg. 2012; 30: 405-417
- OARSI recommendations for the management of hip and knee osteoarthritis, part I: critical appraisal of existing treatment guidelines and systematic review of current research evidence.Osteoarthritis Cartilage. 2007; 15: 981-1000
- Low power Ga-Al-As laser treatment of painful osteoarthritis of the knee. A double-blind placebo-controlled study.Scand J Rehabil Med. 1994; 26: 155-159
- Laser tycks ha effekt på knäledsartros men videnskapligt bevis saknas.Läkartidningen. 1992; : 859-861
- Improvement of pain and disability in elderly patients with degenerative osteoarthritis of the knee treated with narrow-band light therapy.J Am Geriatr Soc. 1992; : 23-26
- The effect of low-level laser in knee osteoarthritis: a double-blind, randomized, placebo-controlled trial.Photomed Laser Surg. 2006; 27: 577-584
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