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 ICDs
PD-ICD
Significance
Mean
Standard deviation
Median
Percentile 25
Percentile 75
Mean
Standard deviation
Median
Percentile 25
Percentile 75
PIUQ Obsession subscale
6.2
0.2
6
6
6
10.2
2.4
9
6
10
PIUQ Neglect subscale
6.3
0.2
6
6
6
11.5
1.8
11
8
11
PIUQ Control subscale
6.3
0.2
6
6
6
10.5
2.2
10
6
10
PIUQ total score
19.2
0.4
18
18
18
32.2
5.4
31
22
29
mMIDI total score
0.8
5.4
0
0
1
4.4
7.1
0
0
6
PDQ-39 SI
19.5
13.9
18
8
28
23.2
15.7
19
13
32
MDS-UPDRS total score
55.3
23.5
53
36
74
54.8
24.8
53
36
66
MDS-UPDRS nM-EDL
10.7
5.9
10
6
15
13.6
7.6
14
7
19
MDS-UPDRS M-EDL
11.4
7.6
11
5
17
13.8
8.9
12
8
18
MDS-UPDRS ME
30.1
13.1
30
20
38
25.2
11.5
22
19
37
MDS-UPDRS MC
3.0
2.6
4
1
4
2.7
3.0
2
0
4
Lille Apathy Rating Scale
-23.7
7.1
-26
-28
-20
-24.8
5.9
-26
-28
-23
Montgomery-Asberg Depression Rating Scale
9.5
5.3
9
6
13
11.5
5.4
12
8
15
Parkinson Anxiety Scale
11.2
7.2
10
7
15
12.0
7.6
11
7
17
LED
404.1
545.5
300
0
600
331.5
403.8
200
0
585
Dopamine agonist LED
79.3
132.2
0
0
154
185.1
230.8
150
0
300
Total LED
525.5
599.2
400
80
810
902.8
1826.0
550
154
900
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, ).