Table 3. Estimated Marginal Means of Magnetic Resonance Imaging Features of Cognitive Phenotypes.
Variable | Mean (SE), mL | P value vs HCa | Mild–verbal memory/semantic fluency, mean (SE), mL | P valuea | Mild–multidomain, mean (SE), mL | P valuea | Severe–executive/attention, mean (SE), mL | P valuea | Severe–multidomain, mean (SE), mL | P valuea | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HC | PC | vs HC | vs PC | vs HC | vs PC | vs HC | vs PC | vs HC | vs PC | ||||||
No. | 50 | 39 | NA | 49 | NA | NA | 37 | NA | 22 | NA | NA | 24 | NA | NA | |
T2 LV | NA | 51.33 (31.15) | NA | 75.99 (30.49) | NA | .23 | 76.29 (31.56) | NA | .15 | 99.69 (34.07) | NA | .04 | 133.70 (33.56) | NA | <.001 |
NBV | 1532.61 (31.39) | 1502.55 (31.27) | .13 | 1493.63 (30.85) | .03 | .63 | 1469.94 (31.52) | .001 | .11 | 1479.23 (33.10) | .03 | .31 | 1423.67 (32.77) | <.001 | .001 |
NGMV | 764.07 (39.02) | 749.69 (39.00) | .25 | 733.70 (38.86) | .01 | .18 | 715.71 (39.08) | .002 | .04 | 725.78 (39.63) | .01 | .12 | 703.70 (39.51) | <.001 | .002 |
NCGMV | 698.93 (35.42) | 687.69 (35.40) | .36 | 672.04 (35.26) | .02 | .19 | 662.59 (35.48) | .005 | .04 | 665.35 (36.01) | .02 | .13 | 646.36 (35.89) | <.001 | .005 |
NWMV | 765.72 (68.22) | 752.90 (68.22) | .39 | 759.16 (68.15) | .59 | .59 | 743.06 (68.25) | .06 | .51 | 753.64 (68.51) | .51 | .94 | 718.99 (68.45) | <.001 | .02 |
NThalV | 10.39 (0.28) | 9.69 (0.28) | .005 | 9.62 (0.27) | .001 | .78 | 9.31 (0.28) | <.001 | .13 | 9.35 (0.31) | .001 | .22 | 8.72 (0.30) | <.001 | .001 |
NCaudV | 5.39 (0.81) | 5.14 (0.81) | .15 | 5.17 (0.81) | .15 | .95 | 5.06 (0.81) | .05 | .65 | 5.16 (0.81) | .24 | .95 | 4.87 (0.81) | .004 | .15 |
NPutaV | 6.39 (0.25) | 6.08 (0.25) | .09 | 6.00 (0.25) | .03 | .70 | 5.95 (0.25) | .01 | .54 | 5.94 (0.27) | .04 | .54 | 5.68 (0.26) | <.001 | .05 |
NPallV | 2.23 (0.08) | 2.23 (0.08) | .97 | 2.27 (0.08) | .78 | .78 | 2.20 (0.08) | .78 | .78 | 2.17 (0.09) | .78 | .78 | 2.05 (0.09) | .17 | .17 |
NAmygV | 1.84 (0.10) | 1.74 (0.10) | .33 | 1.82 (0.09) | .96 | .41 | 1.82 (0.10) | .96 | .41 | 1.82 (0.10) | .96 | .43 | 1.69 (0.10) | .27 | .73 |
NAccuV | 0.74 (0.16) | 0.69 (0.16) | .22 | 0.66 (0.16) | .04 | .54 | 0.67 (0.16) | .10 | .82 | 0.67 (0.17) | .17 | .83 | 0.55 (0.16) | <.001 | .009 |
NHippV | 5.58 (0.68) | 5.42 (0.68) | .25 | 5.13 (0.68) | .03 | .02 | 5.32 (0.68) | .06 | .51 | 5.10 (0.69) | .006 | .06 | 5.09 (0.69) | .002 | .05 |
Abbreviations: HC, healthy control individuals; LV, lesion volume; NA, not applicable; NAccuV, normalized accumbens volume; NAmygV, normalized amygdala volume; NBV, normalized brain volume; NCaudV, normalized caudate volume; NCGMV, normalized cortical gray matter volume; NGMV, normalized gray matter volume; NHippV, normalized hippocampal volume; NPallV, normalized pallidum volume; NPutaV, normalized putamen volume; NThalV, normalized thalamic volume; NWMV, normalized white matter volume; PC, patients with preserved cognition.
P values were adjusted for multiple comparisons (Bonferroni method).