Table 5 Correlation of ACC measures with UPDRS III and PIGD
From: ISway: a sensitive, valid and reliable measure of postural control
UPDRS III | PIGD | |
|---|---|---|
JERK | 0.29 (p = 0.29) | 0.55 (p = 0.03) |
Time-domain measures | ||
DIST | 0.29 (p = 0.29) | 0.57 (p = 0.02) |
RMS | 0.29 (p = 0.28) | 0.57 (p = 0.02) |
PATH | 0.22 (p = 0.42) | 0.50 (p = 0.05) |
RANGE | 0.29 (p = 0.30) | 0.56 (p = 0.03) |
MV | 0.29 (p = 0.28) | 0.63 (p = 0.01) |
MF | −0.09 (p = 0.72) | −0.37 (p = 0.17) |
AREA | 0.29 (p = 0.29) | 0.55 (p = 0.03) |
Frequency-domain measures | ||
PWR | 0.30 (p = 0.27) | 0.54 (p = 0.04) |
F50 | −0.17 (p = 0.54) | −0.18 (p = 0.49) |
F95 | −0.24 (p = 0.38) | −0.42 (p = 0.12) |
CF | −0.18 (p = 0.50) | 0.34 (p = 0.20) |
FD | 0.23 (p = 0.41) | 0.31 (p = 0.26) |