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. 2021 Jan 4;78(4):1–12. doi: 10.1001/jamaneurol.2020.4920

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.

a

P values were adjusted for multiple comparisons (Bonferroni method).