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Table 5 The p-values for centre and visit effects

From: Assessment of the impact of the scanner-related factors on brain morphometry analysis with Brainvisa

Parameter

1.5 T Group

3 T Group

 

Centre

Visit

Centre*visit

Centre

Visit

Centre*visit

GM volume

< 0.001

0.272

0.875

< 0.001

0.015

< 0.001

WM volume

< 0.001

0.624

0.642

0.036

< 0.001

< 0.001

CSF volume

0.013

0.311

0.993

< 0.001

0.003

0.535

Cerebral

< 0.001

0.739

0.285

< 0.001

0.599

0.109

Hemisphere

Volume

GSI

0.017

0.011

0.024

0.203

0.088

0.094

Sulcal surface

   Global

0.827

0.895

0.885

< 0.001

0.777

0.843

   Local

0.821

0.909

0.808

< 0.001

0.673

0.807

   Markovian

0.778

0.855

0.944

< 0.001

0.486

0.865

   Talairach

0.847

0.792

0.925

< 0.001

0.847

0.863

Sulcal mean

geodesic depth

   Global

0.887

0.754

0.547

0.028

0.937

0.649

   Local

0.573

0.820

0.574

0.002

0.121

0.943

   Markovian

0.742

0.422

0.603

0.001

0.182

0.381

   Talairach

0.574

0.427

0.857

0.006

0.956

0.711

  1. P-values for the main effect of centre and visit as well as their interaction for all Brainvisa metrics are given for the 1.5 T and 3 T groups. For sulcal parameters, p-values are given for all sulci recognition algorithms.