Table 1 Sociodemographic and clinical features as a function of striatal (a)symmetry and sex

From: Striatal (a-)symmetry reveals sex-specific autonomic vulnerabilities in early Parkinson’s disease

 

Right-predominant striatal denervation (n = 133)

Left-predominant striatal denervation (n = 192)

Symmetric striatal denervation (n = 434)

p value

Mean age in years ( ± SD)

60.95 ( ± 9.52)

60.94 ( ± 9.54)

64.77 ( ± 8.96)

<0.0001

Mean age in years ( ± SD) women

61.16 ( ± 9.67)

61.27 ( ± 8.21)

64.42 ( ± 9.64)

0.007

Mean age in years ( ± SD) men

60.85 ( ± 9.50)

60.78 ( ± 10.17)

64.96 ( ± 8.57)

<0.0001

Men/Women

88/45

128/64

281/153

0.88

Mean years of education ( ± SD)

16.02 ( ± 2.95)

16.17 ( ± 2.83)

16.02 ( ± 3.28)

0.90

Mean years of education ( ± SD) women

16.07 ( ± 3.16)

15.78 ( ± 2.53)

15.93 ( ± 3.54)

0.90

Mean years of education ( ± SD) men

16.00 ( ± 2.85)

16.37 ( ± 2.96)

16.07 ( ± 3.13)

0.66

Mean time (months) between diagnosis and baseline measurements ( ± SD)

8.19 ( ± 7.47)

9.02 ( ± 7.90)

8.37 ( ± 7.41)

0.36

Mean time (months) between diagnosis and baseline measurements ( ± SD) women

9.12 ( ± 8.56)

8.78 ( ± 8.01)

8.62 ( ± 8.02)

0.94

Mean time (months) between diagnosis and baseline measurements ( ± SD) men

7.72 ( ± 6.86)

9.14 ( ± 7.87)

8.23 ( ± 7.07)

0.28

Mean putamen denervation (SBR): right ( ± SD)

0.65 ( ± 0.21)

1.20 ( ± 0.40)

0.83 ( ± 0.31)

<0.0001

Mean putamen denervation (SBR): right ( ± SD) women

0.68 ( ± 0.25)

1.24 ( ± 0.46)

0.85 ( ± 0.31)

<0.0001

Mean putamen denervation (SBR): right ( ± SD) men

0.63 ( ± 0.19)

1.18 ( ± 0.38)

0.83 ( ± 0.31)

<0.0001

Mean putamen denervation (SBR): left ( ± SD)

1.19 ( ± 0.39)

0.65 ( ± 0.23)

0.83 ( ± 0.31)

<0.0001

Mean putamen denervation (SBR): left ( ± SD) women

1.27 ( ± 0.42)

0.67 ( ± 0.26)

0.87 ( ± 0.32)

<0.0001

Mean putamen denervation (SBR): left ( ± SD) men

1.16 ( ± 0.37)

0.64 ( ± 0.21)

0.81 ( ± 0.31)

<0.0001

Handedness

Right n (%)

114 (85.71%)

173 (90.10%)

383 (88.24%)

0.56

Left n (%)

16 (12.03%)

13 (6.77%)

41 (9.44%)

Ambidextrous n (%)

3 (2.25%)

6 (3.12%)

10 (2.30%)

Handedness women

Right n (%)

43 (95.55%)

60 (93.75)

140 (91.50%)

0.73

Left n (%)

2 (4.44%)

3 (4.68%)

12 (7.84%)

Ambidextrous n (%)

0

1 (1.56%)

1 (0.65%)

Handedness men

Right n (%)

71 (80.68%)

113 (88.28%)

243 (86.47%)

0.43

Left n (%)

14 (15.90%)

10 (7.81%)

29 (10.32%)

Ambidextrous n (%)

3 (3.40%)

5 (3.90%)

9 (3.20%)

MDS-UPDRS 3 total score (Mean ± SD)

34.80 ( ± 14.09)

31.87 ( ± 14.33)

35.68 ( ± 14.96)

0.004

MDS-UPDRS 3 total score (Mean ± SD) women

35.38 ( ± 14.11)

32.75 ( ± 16.16)

36.44 ( ± 15.14)

0.10

MDS-UPDRS 3 total score (Mean ± SD) men

34.51 ( ± 14.14)

31.44 ( ± 13.37)

35.27 ( ± 14.87)

0.046

Right-lateralised item in the MDS-UPDRS 3

6.86 ( ± 5.78)

10.34 ( ± 5.01)

7.54 ( ± 4.96)

<0.001

Left-lateralised item in the MDS-UPDRS 3

9.71 ( ± 5.65)

5.60 ( ± 5.42)

7.63 ( ± 5.78)

<0.001

Hoehn and Yahr

 • stage I n (%)

46 (34.58%)

91 (47.39%)

130 (29.95%)

0.001

 • stage 2 n (%)

87 (65.41%)

100 (52.08%)

302 (69.58%)

 • stage 3 n (%)

0

1 (0.52%)

2 (0.46%)

Hoehn and Yahr women

 • stage I n (%)

18 (40%)

26 (40.62%)

45 (29.41%)

0.15

 • stage 2 n (%)

27 (60%)

37 (57.81%)

108 (70.58%)

 • stage 3 n (%)

0

1 (1.56%)

0

Hoehn and Yahr men

 • stage I n (%)

28 (31.81%)

65 (50.78%)

85 (30.24%)

0.001

 • stage 2 n (%)

60 (68.18%)

63 (49.21%)

194 (69.03%)

 • stage 3 n (%)

0

0

2 (0.71%)

  1. This table shows the sociodemographic and clinical variables of patients according to their allocation groups (based on striatal denervation asymmetry) and sex. MD-UPDRS 3: Movement Disorder Society-Sponsored Revision of the Unified Parkinson’s Disease Rating Scale. The overall differences in proportions between the different conditions (manuality: left-handed, right-handed, ambidextrous; Hoehn and Yahr stage: 1, 2, 3) across the different asymmetry groups (left-predominant striatal denervation, right -predominant striatal denervation, symmetric) — with the same analyses repeated for each sex — were evaluated using the Chi-square test of independence. A single p-value is reported, reflecting the differences in proportions across all conditions simultaneously.