Table 4:
Proportion of participants demonstrating the plural and possessive dissociation by group
| Controls | PPA | Acute Stroke | Chronic Stroke | Clinical Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | N | % | |
| 0 | 0% | 20 | 45.5% | 9 | 42.9% | 13 | 25.5% | 42 | 36.2% | |
| Plural = possessive | 52 | 100% | 24 | 54.5% | 11 | 52.4% | 35 | 68.6% | 70 | 60.3% |
| Plural < possessive | 0 | 0% | 0 | 0% | 1 | 4.8% | 3 | 5.9% | 4 | 3.5% |
Data are presented as participant count; percent of group. “Plural > possessive” refers to participants whose plural performance was significantly greater than their possessive performance. “Plural < possessive” refers to participants whose plural performance was significantly less than their possessive performance. “Plural = possessive” refers to those who did not demonstrate a statistical difference in plural and possessive performance. Statistical significance was determined by Fisher’s exact tests. PPA refers to primary progressive aphasia.