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.
Bland Altman plots of TST differences between actigraphy and PSG are on the y-axis and means are on the x-axis. Perfect agreement is shown by the blue line crossing zero on the y-axis. Mean differences are represented by black solid lines and the upper and lower levels of agreement by dashed lines. ULOA, Upper Limit of Agreement; LLOA, Lower Limit of Agreement; TST, Total Sleep Time.
