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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Int Psychogeriatr. 2012 Mar 16;24(7):1065–1075. doi: 10.1017/S1041610212000191

Table 1. MRI Measurements as a Function of Study Group.

Normal (n=29) All MCI (n=20) Statistic+ P value+ Effect size (Hedges'g) Amnestic MCI (n=14) Statistic+ P value+ Effect size (Hedges'g)


Mean SD Mean SD Mean SD
Semi Automated Volumetric (SVA) measures
 Grey Matter 37.213 0.753 37.033 1.038 0.7 0.487 -0.20 37.151 0.994 0.2 0.823 -0.07
 White Matter 26.544 0.604 26.358 0.689 1.0 0.321 -0.29 26.401 0.783 0.7 0.512 -0.20
 CSF 21.497 0.607 21.719 0.722 -1.2 0.250 0.33 21.864 0.787 -1.7 0.100 0.51
 Hippocampus Right 0.217 0.025 0.201 0.034 390.0 0.031* -0.55 0.193 0.020 194.0 0.005* -0.97
 Hippocampus Left 0.204 0.026 0.185 0.032 394.0 0.037* -0.68 0.176 0.027 203.0 0.010* -0.99
 Hippocampus Both 0.421 0.049 0.385 0.059 372.0 0.013* -0.66 0.369 0.036 176.0 0.001* -1.08
Duara atrophy ratings
 Cortical Atrophy 1.672 0.685 2.100 0.788 584.0 0.074 0.58 2.214 0.802 383.5 0.043* 0.70
 Lat. Ventricle, Rt. 1.414 0.825 1.900 0.852 588.5 0.063 0.57 2.000 0.961 380.5 0.056 0.63
 Lat. Ventricle, Lft. 1.638 0.766 2.050 0.759 593.5 0.048* 0.53 2.143 0.864 384.0 0.044* 0.59
 3rd Ventricle 1.241 0.830 1.800 0.894 601.0 0.035* 0.64 2.000 0.877 402.5 0.014* 0.84
 PWMH1 1.517 0.829 1.950 0.887 579.0 0.097 0.50 2.000 0.784 369.0 0.102 0.56
 SWMH2 1.379 0.942 1.650 0.933 544.5 0.341 0.28 1.857 0.864 362.5 0.140 0.49
 Hippocampus, Rt. 1.379 0.820 2.100 1.119 603.5 0.033* 0.74 2.286 1.204 399.5 0.018* 0.89
 Hippocampus, Lft. 1.586 1.053 2.100 1.119 573.0 0.133 0.47 2.500 1.019 401.0 0.017* 0.82
 Entorhinal Cortex, Rt. 1.138 1.217 1.950 1.099 611.5 0.024* 0.68 2.214 0.975 410.0 0.010* 0.88
 Entorhinal Cortex, Lft. 1.379 1.237 2.150 1.137 606.5 0.030* 0.63 2.500 0.941 415.5 0.006* 0.91
 Parahippocampal 0.931 1.163 1.450 1.099 572.0 0.127 0.45 1.643 1.082 377.0 0.066 0.59
Gyrus, Lft.
 Parahippocampal 1.034 1.239 1.750 1.251 592.0 0.056 0.57 2.000 1.177 395.0 0.024* 0.74
Gyrus, Lft.
 Medial Temporal 1.149 0.941 1.835 1.012 612.0 0.027* 0.69 2.049 1.003 409.5 0.012* 0.88
Atrophy, Lt.
 Medial Temporal 1.334 1.084 2.001 1.014 602.5 0.042* 0.62 2.334 0.887 412.5 0.010* 0.91
Atrophy, Lt.
+

appropriately tested by the t test or Wilcoxon Two-Sample Test

*

p<.05

Expressed as a percentage of intra-cranial volume

1

Periventricular White Matter Hyperintestine

2

Subcortical White Matter Abnormalities