Table 3.
Correlation analyses between betas (dual vs baseline) and clinical scores
| All participants (N = 59) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pearson correlation | Spearman’s rho | |||||||||
| TUG | Gait speed | Handgrip | MMSE | FAB | Tinetti | SPPB total | Falls (N) | |||
| left PcG (– 52 0 42) | – .12 | .28* | .06 | – .03 | .04 | .08 | .26* | .13 | ||
| left PcG (– 42 2 26) | – .03 | .09 | .08 | – .07 | .00 | .05 | .19 | .04 | ||
| left SMA (– 4 4 52) | – .17 | .11 | – .02 | – .12 | – .01 | .05 | .34** | .16 | ||
| right SMA (10 0 76) | – .12 | .06 | .10 | – .02 | – .03 | – .06 | .41** | .25 | ||
| Dynapenic participants (N = 28) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pearson correlation | Spearman’s rho | |||||||||
| TUG | Gait speed | Handgrip | MMSE | FAB | Tinetti | SPPB total | Falls (N) | |||
| left PcG (– 52 0 42) | – .44** | .46** | – .09 | .29 | – .13 | .00 | .39* | – .06 | ||
| left PcG (– 42 2 26) | – .24 | .11 | – .06 | .22 | – .14 | .03 | .12 | – .12 | ||
| left SMA (– 4 4 52) | – .53** | .20 | – .16 | .11 | .12 | – .01 | .28 | .00 | ||
| right SMA (10 0 76) | – .40* | .07 | – .08 | .01 | .08 | – .03 | .52** | .19 | ||
** p < .01, one-tailed. * p < .05, one-tailed. Numbers printed in bold indicate significant results according to Bonferroni correction. Abbreviations: Precentral gyrus (PcG), supplementary motor area (SMA)