The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 4 Comparison between chronic and episodic migraine patients as regards total brain volumetry (mm³) and cortical thickness (mm) parameters

From: A volumetric magnetic resonance imaging study in migraine

	Chronic (n = 11)		Episodic (n = 14)		Independent t-test
	Mean	SD	Mean	SD	t	p-value
Total brain volume	960,994.82	75,150.63	1,050,887.14	113,611.45	− 2.259	0.034*
Cortex volume	408,531.55	32,686.47	452,090.86	51,138.20	− 2.453	0.022*
Left cortex volume	203,836.09	15,641.45	225,558.86	25,075.47	− 2.509	0.020*
Right cortex volume	204,695.18	17,166.27	226,532.21	26,119.34	− 2.391	0.025*
Cerebral volume	387,737.00	41,038.96	421,527.07	63,132.92	− 1.535	0.138
Left cerebral WM volume	194,107.55	20,419.03	210,500.86	31,156.74	− 1.506	0.146
Right cerebral WM volume	193,629.36	20,646.01	211,026.43	31,994.71	− 1.562	0.132
Total GM volume	550,143.82	37,161.32	605,430.36	64,257.68	− 2.533	0.019*
Right cortical thickness	2.44	0.10	2.49	0.14	− 1.159	0.259
Left cortical thickness	2.43	0.09	2.49	0.14	− 1.277	0.214

*p-value < 0.05 significant
WM white matter
GM grey matter

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