Table 4.
Correlation of duration of disease with disease severity
| Variable | R Valuea | P Valueb |
|---|---|---|
| ICARS | +0.617 | 0.004 |
| Posture score | +0.508 | 0.019 |
| Kinetic score | +0.565 | 0.009 |
| Speech score | +0.191 | 0.408 |
| Oculomotor score | +0.360 | 0.109 |
| FGA score | −0.477 | 0.029 |
| SCAFI | ||
| Average 8‐m walking speed | +0.079 | 0.739 |
| Average 9‐hole peg test time, RUL | +0.592 | 0.010 |
| Average 9‐hole peg test time, LUL | +0.666 | 0.003 |
| Average 9‐hole peg test time | +0.635 | 0.005 |
| Average PATA read‐outs in 10 s | −0.237 | 0.329 |
Abbreviations: ICARS, International Cooperative Ataxia Rating Scale; FGA, Functional Gait Assessment; SCAFI, spinocerebellar ataxia functional index; RUL, right upper limb; LUL, left upper limb.
a
The correlation coefficient (R) was calculated using Pearson's correlation coefficient. An R value of +0.617 indicates a moderate positive correlation.
b
P values < 0.05 indicate statistical significance.