Table 3. Summary Statistics and the Results of the Tests for Comparing the Repeated Measures Within Groups and Comparing Groups for Study Variables ^a.

	Median	(Q1-Q3)	P Value b	Within Cont P c	Within Exp P d
GCS @			0.278	0.548	< 0.001
Exp	8	(7-8)
Cont	7	(7-8)
GCS 1 @			< 0.001
Exp	8	(8-9)
Cont	7	(7-8)
GCS 2 @			< 0.001
Exp	9	(8-9)
Cont	7	(7-8)
GCS 3 @			< 0.001
Exp	9	(9-9)
Cont	7	(7-8)
GCS 4 @			< 0.001
Exp	9	(9-10)
Cont	7	(7-8)

^a Abbreviations: Cont, control; Exp, experimental; GCS, Glasgow Coma Scale; Q, quartile.

^b P value based on Mann-Whitney U test for comparison of the experimental and control groups at each time point.

^c P value based on Friedman’s test for testing changes over time within the control group.

^d P value based on Friedman’s test for testing changes over time within the experimental group.