Skip to main content
. 2007 Aug 1;30(8):1003–1009. doi: 10.1093/sleep/30.8.1003

Table 4.

Means (SD) for Clinical Global Improvement Scale by Sleep Group

Placebo MPH
Clinical Global Sleep Group Sleep Group
    Improvement Scale PS GS PS GS
Severity of Illness Score M 4.67 4.05 4.44 4.11
SD 1.08 0.97 1.25 1.05
Global Improvement Score M 4.22 4.37 3.06 4.05
SD 0.94 0.96 1.24 1.27

PS =Poor Sleep Group; GS=Good Sleep Group; M=Mean; SD=Standard Deviation