Table 2. ANOVA test results of four regression models for both hemispheres.

Scan timepoint	ROI		df	SS	MS	F	Significance F
2nd scan – 1st scan	affected	Regression	1	269.10	269.10	5.04	0.05
	hemisphere	Residual	8	426.90	53.36
		Total	9	696.00
	normal	Regression	1	0.43	0.43	0.00	0.95
	hemisphere	Residual	8	1124.47	140.56
		Total	9	1124.9
3rd scan – 2nd scan	affected	Regression	1	356.01	356.01	7.56	0.02
	hemisphere	Residual	8	376.89
		Total	9	732.9
	normal	Regression	1	82.18	82.18	0.84	0.38
	hemispheres	Residual	8	778.22	97.28
		Total	9	860.4

ANOVA test results of four regression models which show in Figure 4 for both hemispheres. The stroke hemisphere show the significant correlation between the oxygenation change vs. the NIHSS change for the time period of the third and the second MRI scan.