Table 3. The clinical severity in people with Parkinson’s disease with and without elevated (first quartile) baseline plasma extracellular vesicle (EV) synaptosome-associated protein 25 (SNAP-25), growth-associated protein 43 (GAP-43), and synaptotagmin-1.
Plasma EV | SNAP-25 | GAP-43 | Synaptotagmin-1 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
L (n = 74) | H (n = 28) | p | L (n = 74) | H (n = 28) | p | L (n = 74) | H (n = 28) | p | |||
UPDRS- II |
Baseline | 8.26 ± 5.80 | 9.04 ± 4.90 | <0.001 | 8.53 ± 5.67 | 8.32 ± 5.33 | <0.001 | 8.46 ± 5.70 | 8.50 ± 5.24 | <0.001 | |
Follow-up | 10.38 ± 6.11 | 13.36 ± 6.72 | 10.65 ± 6.30 | 12.64 ± 6.53 | 10.57 ± 6.25 | 12.86 ± 6.58 | |||||
UPDRS-III | Baseline | 22.31 ± 9.54 | 23.89 ± 8.65 | 0.259 | 22.22 ± 9.66 | 24.14 ± 8.25 | 0.244 | 21.97 ± 9.37 | 24.79 ± 8.93 | 0.145 | |
Follow-up | 20.01 ± 9.33 | 24.21 ± 8.87 | 19.96 ± 9.25 | 24.36 ± 8.99 | 20.04 ± 9.39 | 24.14 ± 8.70 | |||||
Tremor | Baseline | 0.34 ± 0.46 | 0.46 ± 0.38 | 0.037 | 0.34 ± 0.34 | 0.46 ± 0.37 | 0.034 | 0.33 ± 0.34 | 0.47 ± 0.38 | 0.014 | |
Follow-up | 0.27 ± 0.26 | 0.35 ± 0.32 | 0.27 ± 0.26 | 0.35 ± 0.32 | 0.28 ± 0.29 | 0.32 ± 0.22 | |||||
AR | Baseline | 1.04 ± 0.46 | 1.09 ± 0.44 | 0.300 | 1.03 ± 0.47 | 1.11 ± 0.42 | 0.325 | 1.03 ± 0.46 | 1.13 ± 0.45 | 0.195 | |
Follow-up | 0.96 ± 0.46 | 1.10 ± 0.42 | 0.95 ± 0.45 | 1.12 ± 0.43 | 0.96 ± 0.46 | 1.10 ± 0.42 | |||||
PIGD | Baseline | 0.76 ± 0.61 | 0.81 ± 0.44 | 0.023 | 0.77 ± 0.60 | 0.77 ± 0.45 | 0.046 | 0.74 ± 0.56 | 0.86 ± 0.58 | 0.027 | |
Follow-up | 0.74 ± 0.59 | 1.07 ± 0.75 | 0.78 ± 0.61 | 0.98 ± 0.74 | 0.73 ± 0.56 | 1.11 ± 0.80 | |||||
MMSE | Baseline | 25.32 ± 4.45 | 25.29 ± 3.29 | 0.483 | 25.58 ± 4.16 | 24.61 ± 4.11 | 0.470 | 25.62 ± 3.91 | 24.50 ± 4.69 | 0.342 | |
Follow-up | 24.78 ± 5.93 | 25.14 ± 4.64 | 25.05 ± 5.79 | 24.43 ± 5.10 | 25.23 ± 5.61 | 23.96 ± 5.50 | |||||
MoCA | Baseline | 20.68 ± 6.00 | 21.21 ± 5.00 | 0.834 | 21.14 ± 5.77 | 20.04 ± 5.62 | 0.899 | 21.12 ± 5.33 | 20.07 ± 6.69 | 0.926 | |
Follow-up | 20.60 ± 6.85 | 21.46 ± 5.37 | 21.10 ± 6.55 | 20.18 ± 6.30 | 21.19 ± 6.33 | 19.93 ± 6.80 | |||||
L = second to fourth quartile at baseline; H = first quartile at baseline; UPDRS = Unified Parkinson’s Disease Rating Scale; AR = akinetic rigidity; PIGD = postural instability and gait disturbance; MMSE = Mini-Mental Status Examination; MoCA = Montreal Cognitive Assessment.