. Author manuscript; available in PMC: 2014 Jan 1.

Published in final edited form as: Magn Reson Med. 2013 Feb 4;70(6):10.1002/mrm.24604. doi: 10.1002/mrm.24604

Table 4.

Mixed-effect model coefficients, confidence intervals and significance for multiple measurements for short-term test-retest measurements.

		Coefficient [Torr]	Standard Error [Torr]	P-value	CI^† [Torr]
Fixed Effects	Constant	142.537	17.701	<0.001	107.842,177.232)
	Smoker	−23.375	10.974	0.033	−(44.884,1.866)
	Binned Slice	−12.828	3.378	0.004	−(19.449,-6.207)
	Binned Slice²	1.583	0.13	0.004	(0.520,2.645)
	B. Slice x Smoker	4.302	1.299	0.0011	(1.756,6.848)

		Estimate SD [Torr]
Rand. Effects	Subject	14.24	3.686		(8.574,23.651)
	Slice	4.833	0.916		(3.333,7.008)
	Voxel	13.65	0.527		(12.654,14.723)
Residuals	Normal	12.945	0.381		(12.218,13.714)
Residuals	Smoker	15.682	0.538		(14.661,16.775)

^†

The numbers in parantheses are 95% Confidence Intervals.