Histogram

Visit Number vs Theta power density in rapid eye movement sleep (rapid)
N Mean StdDev Median Min Max Unknown Total
Baseline 3,208 33.7 ± 175.1 14.0 0.6 3,199.5 - 3,208
Follow-up 2,923 29.7 ± 141.5 13.0 0.0 2,191.7 - 2,923