Research Article

Development of a Non-Motor Fluctuation Assessment Instrument for Parkinson Disease

Table 2

Ranking of non-motor fluctuations (NMFs) symptoms by study participants*.

RankSymptomFrequencyImportance score*Summary score

1Pain (OFF)1050500
2Confusion (OFF)942378
3Poor concentration (OFF)941369
4Frustration (OFF)840320
5Urinary frequency (ON); urgency/incontinence (OFF)733231
6Word-finding difficulty (OFF)733231
7Word-finding difficulty (OFF)725175
8Drooling (OFF)623138
9Poor short-term memory (OFF)525125
10Obsessive/compulsive behavior (OFF)620120
11Poor judgment (OFF)51575
12Depression (OFF)51470
13Mood swings/emotional lability/irritability (OFF)51260
14Insomnia (ON, OFF)31442
15Agitation/irritability/impatience (OFF)31030
16Lack of interest (OFF)3927
17Decreased laughter (apathy?) (OFF)21224
18Difficulty breathing (OFF)21122
19Fatigue (OFF)3721
20Hallucinations (OFF)21020
21Increased perspiration/odor (ON)2714
22Paranoia (OFF)2612
23Double/blurry vision (OFF)2510
24Decreased communication/social withdrawal (OFF)177
25Decreased reading comprehension (OFF)166
26Reduced coping skills (OFF)166
27Reduced sense of taste (OFF)155
28Tingling (OFF)155
29Constipation (ON)155
30Change in hearing (OFF)133
31Intermittently sleepy (OFF)133
32Numbness (OFF)000
33Restlessness (ON)000

*Summation of individual scores.
Summary score: frequency X score.
Mentioned as symptom but not ranked in top 7.
Frequency: number of subjects ranking symptom.
19 participants asked to rank symptoms from 1–7 (least to most important).
133 total possible.
121/133—some subjects did not rank all 7.