Research Article

Screening for Problematic Internet Use May Help Identify Impulse Control Disorders in Parkinson’s Disease

Table 2

Comparison between Parkinson’s disease patients with and without impulse control disorders (PD-ICD and No ICDs, respectively).

No ICDsPD-ICDSignificance
MeanStandard deviationMedianPercentile 25Percentile 75MeanStandard deviationMedianPercentile 25Percentile 75

PIUQ Obsession subscale6.20.266610.22.49610
PIUQ Neglect subscale6.30.266611.51.811811
PIUQ Control subscale6.30.266610.52.210610
PIUQ total score19.20.418181832.25.4312229
mMIDI total score0.85.40014.47.1006
PDQ-39 SI19.513.91882823.215.7191332
MDS-UPDRS total score55.323.553367454.824.8533666
MDS-UPDRS nM-EDL10.75.91061513.67.614719
MDS-UPDRS M-EDL11.47.61151713.88.912818
MDS-UPDRS ME30.113.130203825.211.5221937
MDS-UPDRS MC3.02.64142.73.0204
Lille Apathy Rating Scale-23.77.1-26-28-20-24.85.9-26-28-23
Montgomery-Asberg Depression Rating Scale9.55.3961311.55.412815
Parkinson Anxiety Scale11.27.21071512.07.611717
LED404.1545.53000600331.5403.82000585
Dopamine agonist LED79.3132.200154185.1230.81500300
Total LED525.5599.240080810902.81826.0550154900

HYS = Hoehn-Yahr stages; LED = Levodopa equivalent dosage; MDS-UPDRS = Movement Disorders Society sponsored version of Unified Parkinson’s Disease Rating Scale; MDS-UPDRS MC = motor complications (part IV of MDS-UPDRS); MDS-UPDRS ME = motor examination (part III of MDS-UPDRS); MDS-UPDRS M-EDL = motor experiences of daily living (part II of MDS-UPDRS); MDS-UPDRS nM-EDL = nonmotor experiences of daily living (part I of MDS-UPDRS); mMIDI = modified Minnesota Impulsive Disorders Interview; PDQ-39 SI = 39-item Parkinson’s Disease Questionnaire Summary Index; UDysRS = Unified Dyskinesia Rating Scale (measured only on patients having dyskinesia, ).