Table 1.
Correlation between gait parameters and dopamine depletion severity, measured with [18F]FDOPA
| Contralesional front paw | Contralesional hind paw | Ipsilesional front paw | Ipsilesional hind paw | ||
|---|---|---|---|---|---|
| Swing duration | s | R = 0.77 p = 0.0023** | R = 0.61 p = 0.0256* | R = 0.43 p = 0.1416 | R = 0.36 p = 0.2252 |
| Swing speed | cm/s |
R = −0.81 p = 0.0007** |
R = −0.72 p = 0.0057** |
R = −0.75 p = 0.0034** |
R = −0.66 p = 0.0132* |
| Stance duration | s | R = 0.78 p = 0.0016** | R = 0.81 p = 0.0008** | R = 0.85 p = 0.0002** | R = 0.87 p = 0.0001** |
| Stride length | cm | R = −0.79 p = 0.0004** | R = −0.83 p = 0.0004** | R = −0.80 p = 0.0010** | R = −0.82 p = 0.0006** |
| Body speed | cm/s | R = −0.77 p = 0.0020** | R = −0.79 p = 0.0014** | R = −0.80 p = 0.0009** | R = −0.80 p = 0.0011** |
| Print area | cm2 | R = 0.05 p = 0.8719 | R = 0.13 p = 0.6645 | R = 0.19 p = 0.5247 | R = 0.65 p = 0.0168* |
| Global | Global | ||||
| Average speed | cm/s | R = −0.81 p = 0.0007** | Number of steps | R = 0.88 p = 0.0001** | |
| Cadence | steps/s | R = −0.79 p = 0.0012** |
Positive correlations: strong dopamine depletion is associated with high behavioural value. Negative correlations: strong dopamine depletion is associated with low behavioural value. *p < 0.05; **p < 0.01