Table 3. Frequencies of anxiety and agitation in the ‘at risk’ study population (N=272) at baseline.
The composite subscale of agitation was defined as present if individuals had at least 3 of NPI-rated agitation, disinhibition, irritability and aberrant motor behavior rated as present.
| Follow-up time (months) | Total N | Anxiety | Agitation (NPI-Q) | Agitation (composite) | |||
|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | ||
| 0 (baseline) | 272 | 60 | 22 | 0 | 0 | 3 | 1 |
| 6 | 261 | 65 | 25 | 60 | 23 | 22 | 8 |
| 12 | 245 | 81 | 33 | 55 | 22 | 26 | 11 |
| 18 | 123 | 30 | 24 | 26 | 21 | 10 | 8 |
| 24 | 210 | 82 | 39 | 46 | 22 | 21 | 10 |
| 30 | 6 | 1 | 16 | 2 | 33 | 0 | 0 |
| 36 | 97 | 29 | 30 | 18 | 19 | 7 | 7 |
| 42 | 4 | 1 | 25 | 2 | 50 | 1 | 25 |
| 48 | 25 | 9 | 36 | 7 | 28 | 1 | 4 |
| 54 | 3 | 1 | 33 | 0 | 0 | 0 | 0 |