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. 2019 Feb 21;22:101730. doi: 10.1016/j.nicl.2019.101730

Table 2.

Demographic and neuropsychological information for Parkinson's disease High Low Fatigue.

Parkinson's disease High
(n = 29)
Parkinson's disease Low
(n = 31)
P-value
Male:Female 24:5 19:12 0.065
Age (years) 67.00 ± 6.02 68.10 ± 5.06 0.447
Education (years) 16.10 ± 2.88 16.68 ± 2.76 0.434
Sleep Duration 6.96 ± 1.09 6.75 ± 1.41 0.529
Levodopa Equivalency 626.63 ± 372.17 524.10 ± 307.13 0.256
Unified Parkinson Disease Rating Scale-IIIb 20.67 ± 10.63 16.20 ± 8.47 0.157
Disease duration (years) 8.72 ± 5.68 6.32 ± 4.94 0.085
Mini-Mental State Examinationa 28.55 ± 1.15 28.58 ± 1.46 0.933
BDI II 11.14 ± 5.97 6.32 ± 4.40 0.001
Fatigue Severity Scale 43.64 ± 8.60 23.77 ± 6.76 0.000
Leukoariosis 2762.56 ± 4004.63 4949.72 ± 5730.06 0.098
total intracranial volume 1710059 ± 158,270 1668833 ± 15834 0.318
Leukoariosis/total intracranial volume 0.002 ± 0.002 0.003 ± 0.003 0.072
a

On medication.

b

Raw voxel volume.