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Table 1 Demographic and clinical features of subjects

From: Altered regional homogeneity of prefrontal cortex in Parkinson’s disease with mild cognitive impairment

  HC (n = 22) PDNC (n = 21) PD-MCI (n = 18) p-value
Gender (males/females)a 16/6 16/5 14/4 0.930
Age (years)b 61.95 ± 5.27 61.24 ± 6.41 62.83 ± 5.38 0.688
Disease duration (years)b NA 5.73 ± 3.27 6.62 ± 4.55 0.481
Education (years)a 9.27 ± 2.12 10.38 ± 3.49 9.55 ± 3.63 0.435
MoCAa 27.86 ± 1.39 27.90 ± 1.26 20.72 ± 2.42 <0.001
MMSEa 29.59 ± 0.59 29.38 ± 0.80 27.83 ± 1.54 <0.001
UPDRS IIIb NA 17.95 ± 9.23 24.00 ± 10.98 0.070
H-Y Stagea NA 1.90 ± 0.70 2.44 ± 0.98 0.061
  1. Date are showed as means ± standard deviations. PD Parkinson’s disease, HC healthy control, PDNC PD with normal cognition, PD-MCI PD with mild cognitive impairment, NA non available, MoCA Montreal Cognitive Assessment, MMSE Mini-Mental State Examination, UPDRS III Unified Parkinson’s Disease Rating Scale part III, H-Y Stage Hoehn-Yahr stage
  2. a p values were calculated using Kruskal-Wallis test;
  3. b p values were calculated using one-way analysis of variance