Table 2.
Correlations between clinical assessments and kinematic metrics (n = 37).
| FMA | ARAT | MBI | MT | VP | VM | TVP% | NMU | |
|---|---|---|---|---|---|---|---|---|
| Clinical assessment | ||||||||
| FMA | ||||||||
| ARAT | 0.94∗∗ | |||||||
| MBI | 0.62∗∗ | 0.64∗∗ | ||||||
|
| ||||||||
| Kinematic metrics | ||||||||
| MT | 0.11 | 0.07 | 0.15 | |||||
| VP | 0.81∗∗ | 0.76∗∗ | 0.55∗∗ | −0.03 | ||||
| VM | 0.85∗∗ | 0.80∗∗ | 0.58∗∗ | −0.11 | 0.96∗∗ | |||
| TVP% | −0.11 | −0.17 | −0.14 | −0.49∗ | −0.17 | −0.11 | ||
| NMU | −0.65∗∗ | −0.59∗∗ | −0.45∗ | 0.10 | −0.70∗∗ | −0.74∗∗ | 0.22 | |
| NIJ | −0.24 | −0.27 | −0.10 | 0.71∗∗ | −0.27 | −0.40∗∗ | −0.20 | 0.47∗ |
FMA-UE, Fugl-Meyer Assessment for Upper xtremity; ARAT, Action Research Arm Test; MBI, Modified Barthel Index; MT: movement time; VP: peak velocity; VM: mean velocity; TVP%: percentage of time to peak velocity; NMU: Number of movement units; NIJ: Normalized integrated jerk. ∗: P < 0.05. ∗∗: P < 0.01.