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. 2019 Jun 18;44:691–707. doi: 10.1016/j.ebiom.2019.05.064

Table 7.

Beta diversity comparisons of stable and progressed PD patients and confounding variables.

A. Adonis: Timepoint + progression category (no confounders)
Level p-value (Timepoint) p-value (progression)
OTU 1.000 0.245
Genus 0.945 0.344
Family 0.850 0.142



B. Adonis: Timepoint + progression category single confounder
Variable p-value (OTUs) p-value (genera) p-value (families)
SDQ 0.012 0.007 0.010
COMT inhibitors 0.001 0.001 0.001
Levodopa entacapone (mg) 0.001 0.001 0.001
Entacapone (mg) 0.001 0.001 0.001
NMSQuest 0.003 0.018 0.137
SCS-PD 0.001 0.005 0.166
Statins 0.010 0.038 0.065
GDS 15 0.016 0.395 0.308
L-dopa 0.025 0.061 0.088
NMSS 0.018 0.070 0.306
RBDSQ 0.007 0.131 0.079
Ropinirole (mg) 0.365 0.045 0.223
Dopamine agonists 0.050 0.365 0.074
MAO inhibitors 0.545 0.826 0.442
Sniffin’ Sticks 0.422 0.342 0.093
Acetylsalicylic acid 0.430 0.824 0.943
PIGD score Jankovic 0.057 0.176 0.484
Pramipexole (mg) 0.075 0.060 0.059



C. Timepoint + progression category + multiple confounders
adonis2
envfit
Variable p-value (OTUs) p-value (genera) p-value (families) p-value (OTUs) p-value (genera) p-value (families)
Timepoint 0.865 0.515 0.582 0.797 0.372 0.074
Progression 0.396 0.334 0.204 0.330 0.592 0.889
COMT inhibitors 0.001 0.001 0.001 <0.001 0.295 0.888
NMSQuest 0.036 0.027 0.321 0.227 0.024 0.102
SCS-PD 0.002 0.035 0.271 0.031 0.427 0.479
Statins 0.042 0.214 0.442 0.475 <0.001 0.005
SDQ 0.114 0.116 0.067 NA NA NA
GDS 15 0.127 0.804 0.660 NA NA NA
L-dopa 0.421 0.344 0.208 NA NA NA
NMSS 0.447 0.216 0.498 NA NA NA
RBDSQ 0.062 0.513 0.312 NA NA NA
Ropinirole (mg) 0.411 0.098 0.440 NA NA NA

Table legend: Statistically significant p-values are marked in bold italic font. OTU: Operational Taxonomic Unit, SDQ: Swallowing Disturbance Questionnaire, COMT: catechol-O-methyl transferase, NMSQuest: Non-Motor Symptoms Questionnaire, SCS-PD: Sialorrhea Clinical Scale for PD, GDS 15: 15-item Geriatric Depression Scale, NMSS: Non-Motor Symptoms Scale, RBDSQ: REM Sleep Behavior Disorder Screening Questionnaire, MAO: Monoamine Oxidase, PIGD: postural instability and gait difficulty.