. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: Conscious Cogn. 2010 Sep 9;20(2):234–244. doi: 10.1016/j.concog.2010.08.001

Table 1. Demographic and Select Outcome Data.

	High Lucidity Group Peak lucidity <12 (N=13)		Low Lucidity Group Peak lucidity ≥12 (N=15)^*		Statistics
	mean	s.d.	Mean	s.d.	t(26)^*	P-value
Age (years)	16.1	1.1	16.2	0.9	-0.32	0.75
Grade	10.5	0.8	10.5	0.9	0.02	0.99
PSQI	4.9	0.8	4.3	2.0	1.02	0.32
BLA	13.3	3.6	15.9	3.7	-1.91	0.07
Nightly Sleep Quality	57	13	58	7	-0.32	0.75
WCST Raw Score	93	20	98	21	-0.58	0.56
WCST Errors %perseverative	10.8	4.4	14.4	10.5	-1.15	0.26
Females/Males (N)	11/2		8/7		-	0.11^**

PSQI = Pittsburgh Sleep Quality Index, BLA = Baseline Lucidity Assessment, WCST = Wisconsin Card Sort Task, IGT = Iowa Gambling Task;

For the IGT, N=14 for peak lucidity ≥ 12 [see methods] with a corresponding loss of 1 degree of freedom,

^**

Fisher's Exact test.