Table 2.
Correlations of WAB-AQ score with apraxia variables are shown as well as odds ratio (OR) and 95% confidence interval (CI)
| Apraxia Variable | Correlation with WAB-AQ | ORa (95% CI) |
|---|---|---|
| Total apraxia | r=0.7 (p<0.0001) | 1.4 (1.2-19) |
| Facial apraxia | r=0.3 (p=0.03) | 3.0 (1.5-11.8) |
| Upper limb apraxia | r=0.5 (p=0.0006) | 1.5 (0.9-3.2) |
| Instrumental apraxia | r=0.6 (p<0.0001) | 1.7 (1.1-2.7) |
| Complex apraxia | r=0.7 (p<0.0001) | 1.3 (1.0-1.9) |
r = Spearman’s correlation coefficient.
a
Logistic regression analysis was performed to obtain OR and corresponding 95% CI for likelihood of membership to the agrammatic aphasia group for each of the apraxia variables, with adjustment for WAB-AQ score, age at onset and MMSE.