Table 2. Global and partial (removing the impact of the CST injury) correlations (with 95% CI) between grip strength ratio and functional connectivity in M1.

	Global correlation with the grip strength ratio	Partial correlation with the grip strength ratio
IL M1-CER functional connectivity	0.719* (0.427, 0.875)	0.388* (-0.040, 0.696)
IL M1-PMC functional connectivity	0.578* (0.207, 0.804	0.284 (-0.156, 0.630)
IL M1-SMA functional connectivity	0.476* (0.068, 0.748)	0.372 (-0.059, 0.696)
IH M1-M1 functional connectivity	0.350 (-0.084, 0.672)	0.119 (-0.319, 0.515)

Abbreviations: IH: interhemispheric, CL: contralesional hemisphere, IL: ipsilesional hemisphere, M1: primary motor cortex, PMC: premotor cortex, CER: cerebellum, SMA: supplementary motor area. *p<0.05.