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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
  1. *p-value < 0.05 significant
  2. WM white matter
  3. GM grey matter