Efficacy of low frequency pulsed subsensory threshold electrical stimulation vs placebo on pain and physical function in people with knee osteoarthritis: systematic review with meta-analysis A. Negm, A. Lorbergs, N.J. MacIntyre Osteoarthritis and Cartilage Volume 21, Issue 9, Pages 1281-1289 (September 2013) DOI: 10.1016/j.joca.2013.06.015 Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions
Fig. 1 Flow diagram for identification of eligible trials evaluating the effect of PEMF/PES. Osteoarthritis and Cartilage 2013 21, 1281-1289DOI: (10.1016/j.joca.2013.06.015) Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions
Fig. 2 Funnel plot for the seven included studies for the pain outcome. Osteoarthritis and Cartilage 2013 21, 1281-1289DOI: (10.1016/j.joca.2013.06.015) Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions
Fig. 3 Forest plot for meta-analysis of the effect of pulsed PEMF/PES compared to sham treatment on pain. Osteoarthritis and Cartilage 2013 21, 1281-1289DOI: (10.1016/j.joca.2013.06.015) Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions
Fig. 4 Forest plot for meta-analysis of the effect of PEMF/PES compared to sham treatment on physical function. Osteoarthritis and Cartilage 2013 21, 1281-1289DOI: (10.1016/j.joca.2013.06.015) Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions
Fig. 5 Forest plot for meta-analysis of the effect of PEMF/PES compared to sham treatment on adverse events (skin rash). Osteoarthritis and Cartilage 2013 21, 1281-1289DOI: (10.1016/j.joca.2013.06.015) Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions
Fig. 6 Forest plot for meta-analysis of the effect of PEMF/PES compared to sham treatment on patient global assessment. Osteoarthritis and Cartilage 2013 21, 1281-1289DOI: (10.1016/j.joca.2013.06.015) Copyright © 2013 Osteoarthritis Research Society International Terms and Conditions