Research Article

Lower Urinary Tract and Gastrointestinal Dysfunction Are Common in Early Parkinson’s Disease

Table 2

Comparison of demographic and clinical characteristics between the low and high SCOPA-AUT score groups of patients with early PD.

VariableTotal, n = 414High SCOPA-AUT (≥10), n = 181Low SCOPA-AUT (<10), n = 233 valued or OR95% CI of d or OR

Age, years (SD)61.6 (9.7)63.7 (8.8)60.0 (10.1)<0.0010.390.19 to 0.58

Male, n (%)274 (66.2)116 (64.1)158 (67.8)0.4270.850.56 to 1.28

Education, years (SD)15.6 (3.0)15.7 (3.0)15.5 (3.0)0.5980.07−0.13 to 0.26

Hispanic/Latino, n (%)9 (2.2)5 (2.8)4 (1.7)0.4731.630.43 to 6.15

White race, n (%)383 (92.5)164 (90.6)219 (94.0)0.1980.620.30 to 1.29

Family history, n (%)103 (24.9)44 (24.4)59 (25.3)0.8380.950.61 to 1.50

Age at symptom onset, years (SD)59.7 (10.0)61.5 (9.0)58.1 (10.5)0.0010.350.15 to 0.54

Age at diagnosis, years (SD)61.1 (9.7)63.1 (8.8)59.5 (10.1)<0.0010.380.18 to 0.57

Disease duration, months (SD)6.7 (6.6)7.2 (6.8)6.3 (6.4)0.1860.14−0.06 to 0.33

Right side at onset, n (%)227 (54.8)106 (58.6)121 (51.9)0.1791.310.88 to 1.94

MDS-UPDRS part I, mean (SD)5.6 (4.1)7.7 (4.4)4.0 (2.9)<0.0010.990.81 to 1.22

MDS-UPDRS part II, mean (SD)5.9 (4.2)7.7 (4.5)4.5 (3.3)<0.0010.810.62 to 1.03

MDS-UPDRS part III “off meds,” mean (SD)20.9 (8.9)22.4 (8.7)19.8 (8.8)0.0030.300.10 to 0.49

MDS-UPDRS total, mean (SD)32.4 (13.1)37.8 (13.4)28.2 (11.3)<0.0010.770.58 to 0.98

Rigidity, mean (SD)3.8 (2.6)4.0 (2.7)3.6 (2.6)0.1200.15−0.04 to 0.35

Tremor score, mean (SD)4.4 (3.2)4.5 (3.2)4.2 (3.1)0.3630.10−0.10 to 0.29

TD subtype, n (%)294 (71.2)128 (70.7)166 (71.6)0.8530.960.63 to 1.47

HY scale, mean (SD)1.6 (0.5)1.6 (0.5)1.5 (0.5)0.1320.200.01 to 0.39

S&E scale, mean (SD)93.1 (5.9)92.5 (5.9)93.7 (5.8)0.0370.21−0.40 to −0.01

MoCA <26, n (%)91 (22.1)42 (23.2)49 (21.3)0.6451.120.70 to 1.78

UPSIT <19, n (%)144 (34.8)74 (40.9)70 (30.0)0.0221.611.07 to 2.42

GDS ≥5, n (%)58 (14.0)37 (20.4)21 (9.0)0.0012.581.45 to 4.59

STAI ≥41, n (%)93 (22.5)48 (26.5)45 (19.4)0.0871.500.94 to 2.40

RBDSQ ≥6, n (%)105 (25.4)68 (37.6)37 (15.9)<0.0013.172.00 to 5.03

ESS ≥10, n (%)65 (15.7)41 (22.7)24 (10.3)0.0012.541.47 to 4.39

QUIP-RS any, n (%)86 (20.8)52 (28.7)34 (14.7)<0.0012.351.44 to 3.82

MDS-UPDRS item 1.5 apathy score ≥2, n (%)11 (2.7)9 (5.0)2 (0.9)0.0136.021.28 to 28.21

MDS-UPDRS item 1.13 fatigue score ≥2, n (%)46 (11.1)35 (19.3)11 (4.7)<0.0014.822.37 to 9.79

SCOPA-AUT: Scales for Outcomes in Parkinson’s Disease-Autonomic dysfunction; PD: Parkinson’s disease; OR: odds ratio; CI: confidence interval; SD: standard deviation; MDS-UPDRS: Movement Disorder Society-Sponsored Revision of the Unified Parkinson’s Disease Rating Scale; TD: tremor-dominant; HY: Hoehn and Yahr; S&E: Schwab and England Activities of Daily Living scale; MoCA: Montreal Cognitive Assessment; UPSIT: University of Pennsylvania Smell Identification Test; GDS: Geriatric Depression Scale; STAI: State-Trait Anxiety Inventory—State; RBDSQ: REM Sleep Behavior Screening Questionnaire; ESS: Epworth Sleepiness Scale; QUIP-RS: Questionnaire for Impulsive-Compulsive Disorders in Parkinson’s Disease—Rating Scale.