Figure 4: Peason’s correlation between TMS metrics changes and clinical improvement. Note: ICF and SICI data were extracted from two studies (Mhalla et al., 2010, 2011), the active intervention was M1 rTMS. MEP data was extracted from one study (Hoeger Bement et al., 2014), the active intervention was exercise. *P < 0.05, **P < 0.01. Depr: Depression; ICF: Intracortical facilitation; MEP: motor-evoked potential; PCatas: pain catastrophizing; PT: pain threshold; SICI: short intracortical inhibition.