Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The upper panel shows cumulative pass rates for patients and control subjects at baseline, 1 year follow-up, and 3-year follow-up for those subjects who completed all three assessments. This denotes the percentage of subjects passing up to and including the current stage. The lower panel shows the number of errors committed at each stage at the three time points for patients and control subjects. Abbreviations as in Figure 1.
