. Author manuscript; available in PMC: 2009 May 12.

Published in final edited form as: J Cereb Blood Flow Metab. 2007 Mar 14;27(9):1643–1648. doi: 10.1038/sj.jcbfm.9600469

Table 4.

Middle cerebral artery territory OEF values

	Statins (n = 19)	Nonstatins (n = 77)	P value	Lower 95% CI difference of means	Upper 95% CI difference of means
Ipsilateral OEF	0.449	0.438	0.74	-0.046 (-16%)	0.066
s.d	+/-0.12	+/-0.11
Contra OEF	0.421	0.410	0.4	-0.036 (-17%)	0.058
s.d.	+/-0.09	+/-0.09

CI, confidence intervals; OEF, oxygen extraction fraction; s.d., standard deviation.