Table 4.
Risk Class of PI | Prognostic Scorea | Number of Subjectsb | Transition (%) | Estimated Time to Transition (Months) | |
---|---|---|---|---|---|
Mean (SE) | 95% CI | ||||
I | <−1.51 | 27 | 1 (3.7) | 35.46 (0.53) | 34.42–36.50 |
II | −1.51/−0.39 | 12 | 3 (25) | 31.86 (2.39) | 27.18–36.54 |
III | >−0.39 | 19 | 14 (73.7) | 18.04 (12.09) | 12.09–24.00 |
Note: PI, prognostic index.
aThe individual prognostic scores are calculated as {0.757 × social-personal adjustment score} + {−0.231 × P300 amplitude}.
bOf the 58 subjects that were included in the final Cox model.