Table 2.
Percentiles of the STAI, BDI-II, and IES-R Scores.a
| Amyloid-Positive Group (n = 10) | Amyloid-Negative Group (n = 32) | |||||
|---|---|---|---|---|---|---|
| 25% | 50% | 75% | 25% | 50% | 75% | |
| STAI score (state) | ||||||
| Predisclosure | 31.0 | 36.5 | 44.0 | 30.0 | 41.0 | 47.0 |
| 52 weeks | 31.0 | 42.0 | 49.0 | 34.0 | 44.0 | 54.0 |
| Paired change | −4.0 | +0.5 | +3.0 | −2.0 | +2.0 | +11.5 |
| BDI score | ||||||
| Predisclosure | 8.0 | 9.0 | 13.0 | 3.5 | 11.5 | 17.5 |
| 52 weeks | 5.0 | 7.0 | 11.0 | 6.5 | 12.5 | 19.0 |
| Paired change | −5.0 | −1.0 | +5.0 | −2.0 | +1.0 | +4.0 |
| IES-R score | ||||||
| 6 weeks | 1.0 | 6.5 | 11.0 | 2.5 | 10.5 | 21.5 |
| 52 weeks | 3.0 | 5.5 | 14.0 | 1.0 | 15.0 | 30.5 |
| Paired change | −4.0 | +0.0 | +3.0 | −2.5 | +0.5 | +11.5 |
Abbreviations: BDI, Beck Depression Inventory-II; IES-R, Impact of Events Scale–Revised; STAI, State-Trait Anxiety Inventory.
a Values are actual psychometric scale scores of each participant. Paired changes were calculated by subtracting scores at predisclosure (6-week follow-up for IES-R) from scores at 52-week follow-up in each individual participant.