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. 2022 Oct 28;8:143. doi: 10.1038/s41531-022-00412-w

Table 1.

Baseline characteristics of 12-month MDS-UPDRS total progressors vs non-progressors.

Predictive feature Progressors: Non-progressors (PPMI) P-value Progressors: Non-progressors (PDBP) P-value
Demographics 64%: 36% - 48%:52% -
Sample size (n) 529 - 350 -
Age (years) 61.9 ± 0.5: 62.1 ± 0.61 0.033 59.4 ± 1.15: 60.0 ± 1.01 0.034
Sex (%F) 24%: 22% - 60%: 73% -
Treatment status (%)
Levodopa 14% ± 0.02: 19% ± 0.03 0.312 75% ± 0.03: 76% ± 0.03 0.856
Dopamine agonist 10% ± 0.02: 13% ± 0.02 0.563 55% ± 0.04: 50% ± 0.04 0.434
Other PD medication 14% ± 0.02: 18% ± 0.03 0.479 74% ± 0.03: 74% ± 0.03 0.932
Clinical instruments
MDS-UPDRS I 4.1 ± 0.26: 4.6 ± 0.36 0.204 4.1 ± 0.39: 4.6 ± 0.43 0.566
MDS-UPDRS II 3.5 ± 0.25: 4.2 ± 0.34 0.043 4.7 ± 0.5: 5.6 ± 0.56 0.355
MDS-UPDRS III 15.9 ± 0.53: 21.0 ± 0.73 <0.001 19.1 ± 0.94: 24.4 ± 1.05 <0.001
MDS-UPDRS Total 23.6 ± 0.8: 29.9 ± 1.07 <0.001 28.0 ± 1.51: 34.8 ± 1.71 0.002
Hoehn & Yahr 1.5 ± 0.03: 1.7 ± 0.04 <0.001 2.03 ± 0.04: 2.1 ± 0.05 0.415
SE-ADL 94.0 ± 0.42: 93.7 ± 0.52 0.478 88.5 ± 0.93: 87.4 ± 1.02 0.568
MoCA 27.1 ± 0.15: 27.2 ± 0.2 0.013 26.0 ± 0.24: 26.1 ± 0.25 0.628
ESS
DaTScan neuroimaging
sbr_caudate_r 2.1 ± 0.04: 2.0 ± 0.06 0.06 - -
sbr_caudate_l 2.1 ± 0.04: 2.0 ± 0.06 0.048 - -
sbr_putamen_r 0.9 ± 0.03: 0.9 ± 0.05 0.02 - -
sbr_putamen_l 0.9 ± 0.03: 0.9 ± 0.05 0.018 - -
Genetics
Parkinson’s disease PRS (ave) 0.004 ± 0.0: 0.005 ± 0.0 0.229 0.0026 ± 0.0: 0.0025 ± 0.0 0.534
Educational attainment PRS (ave) 0.0005 ± 0.0: 0.0004 ± 0.0 0.594 0.0005 ± 0.0: 0.0004 ± 0.0 0.091
Monogenic risk (%) 32%: 40% - 9%: 9% -

Features consistently different between progressors and non-progressors in both PPMI and PDBP are bolded. See Supplemental Tables 23 for a more detailed comparison. All comparisons are made with the non-parametric Wilcoxon rank sums test.