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Correlation between nonverbal apraxia and verbal apraxia with age, education, and duration of PD.
| Total apraxia | ||
|---|---|---|
| Nonverbal apraxia | Verbal apraxia | |
| r s (p) | r s (p) | |
| Age | 0.425 (0.193) | 0.169 (0.620) |
| Education | 0.044 (0.898) | −0.619 (0.042)∗ |
| Duration of PD | 0.204 (0.547) | 0.245 (0.468) |
r s: Spearman's coefficient; (p): p value. ∗Correlation is significant if p value is less than 0.05.
