Skip to main content
. 2021 Jan 11;21:16. doi: 10.1186/s12883-020-02037-z

Table 3.

Disease severity and neuropsychological assessment in PD patients with different PWMH gradings

PWMH gradings Normal (n=16) Mild (n=90) moderate to severe (n=40) P P1 P2 P3
Gender (male, female) 9,7 37,53 19, 21 0.523 0.285 0.442 0.704
Age (years, mean (SD)) 57.81 (11.49) 62.58 (10.67) 69.50 (8.60) 0.001* 0.067 0.001* 0.001*
HTN (number, percentage) 4 (25%) 31 (34.4%) 19 (47.5%) 0.211 0.461 0.125 0.160
DM (number, percentage) 2 (12.5%) 11 (12.2%) 6 (15%) 0.909 0.975 0.811 0.666
Hypercholesterolemia (number, percentage) 2 (12.5%) 20 (22.2%) 9 (22.5%) 0.665 0.379 0.399 0.972
Smoking (number, percentage) 0 4 (4.4%) 0 0.281 0.392 1.000 0.177
Medications (number, percentage) 11 (68.8%) 28 (31.1%) 13 (32.5%) 0.014* 0.004* 0.014* 0.875
UPDRS total, mean (SD) 43.43 (22.11) 36.68 (23.50) 41.58 (29.09) 0.456 0.229 0.486 0.555
Modified Hoehn and Yahr scale, mean (SD) 2.18 (1.34) 1.86 (1.04) 2.03 (1.26) 0.761 0.445 0.669 0.803
Schwab and England ADL scale, mean (SD) 82.67 (13.87) 83.97 (16.30) 80.52 (22.29) 0.823 0.527 0.680 0.841
MMSE, mean (SD) 27.62 (2.24) 24.71 (4.54) 22.56 (5.73) 0.001* 0.007* 0.001* 0.033*
Neuropsychological battery
 Attention, mean (SD) 0.83 (1.16) −0.46 (2.17) −1.44 (2.80) 0.003* 0.030* 0.001* 0.034*
 Executive function, mean (SD) 0.71 (3.97) −0.97 (4.23) −2.23 (5.11) 0.113 0.130 0.060 0.225
 Memory, mean (SD) 0.78 (1.14) −0.36 (2.06) −1.54 (2.94) 0.003* 0.033* 0.001* 0.037*
 Language, mean (SD) 0.31 (2.12) −0.36 (2.20) −1.48 (3.00) 0.040* 0.380 0.044* 0.028*
 Visual-spatial, mean (SD) 0.18 (1.96) −0.83 (2.10) −1.35 (2.57) 0.058 0.065 0.029* 0.210

Kruskal-Wallis H test was used for between-group comparisons of three groups, and Mann-Whitney U test was used for between-two-group comparisons

P Comparison of group 0, 1 and 2+ 3, P1 Comparison of group 0 and 1, P2 Comparison of group 0 and 2+ 3, P3 Comparison of group 1 and 2+ 3, SD Standard deviation, PD Parkinson’s disease, PWMH Periventricular white matter hyperintensities, HTN Hypertension, DM Diabetes Mellitus; Medications, was defined as Benzodiazepines

*p< 0.05