Table 1
Group Comparison of Patients Demographics, UPDRS, and NMS Characteristics at Follow-up
| Parkinson's Disease | Essential Tremor | PD vs ET at Follow-up | |||||
|---|---|---|---|---|---|---|---|
| Baseline n = 31 (%) | Follow-up n = 31 (%) | p Value | Baseline n = 22 (%) | Follow-up n = 21 (%) | p Value | p Value | |
| Age | 69.1±8.2 | 70.2±6.8 | 0.5 | 67.6±9.1 | 68.6±7.1 | 0.7 | 0.4 |
| Men | 22 (71) | 22 (71) | 1.0 | 12 (54) | 11 (52) | 1.0 | 1.0 |
| UPDRS-III | 27.0±12 | 16.5±8 | 0.0001 | 4.7±3 | 3.4±2 | 0.1 | <0.0001 |
| H & Y | ≤2 | ≤2 | - | - | - | - | - |
| Tremor | 22 (71) | 22 (71) | 1.0 | 22 (100) | 21 (100) | 1.0 | 0.007 |
| Dopaminergic therapy | 8 (26) | 31 (100) | <0.0001 | 1 (4) | 0 (0) | 1.0 | <0.0001 |
| Total LEDD (mg/day) | NA | 412±76 | - | 0 | 0 | - | - |
| l-dopa | 8 (26) | 25 (81) | <0.0001 | 1 (4) | 0 (0) | 1.0 | <0.0001 |
| NMS | 10.4±4.9 | 10.2±6.9 | 0.1 | 8.4±3.3 | 5±2.9 | 0.0009 | 0.002 |

Figure 1
Percentage of Changes in the Declaration of Specific Non-motor Symptoms in both Parkinson's Disease and Essential Tremor Patients at Follow-up.
Columns represent the percentage variation in the number of declared non-motor symptoms at follow-up with respect to baseline (intended as 100% the global number of either Parkinson's disease or essential tremor patients).
Table 2
Frequency of Non-motor Symptoms in Parkinson's Disease and Essential Tremor Patients at Follow-up
| Parkinson's Disease | Essential Tremor | PD vs ET at Follow- up | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| NMS | Baseline | Follow-up | p Value | Baseline | Follow-up | p Value | p Value | ||||
| n = 31 | % | n = 31 | % | n = 22 | % | n = 21 | % | ||||
| Drooling | 9/31 | 29 | 5/31 | 16.1 | 0.4 | 1/22 | 4.5 | 1/21 | 4.7 | 1.0 | 0.4 |
| Taste/smell | 10/31 | 32.2 | 14/31 | 45.2 | 0.4 | 1/22 | 4.5 | 2/21 | 9.5 | 0.6 | 0.007*** |
| Swallowing | 6/31 | 19.3 | 7/31 | 22.6 | 1.0 | 4/22 | 18.1 | 2/21 | 9.5 | 0.6 | 0.3 |
| Nausea/vomiting | 0/31 | 0 | 6/31 | 19.3 | 0.02 | 4/22 | 18.1 | 2/21 | 9.5 | 0.6 | 0.4 |
| Constipation | 6/31 | 19.3 | 8/31 | 25.8 | 0.8 | 4/22 | 18.1 | 2/21 | 9.5 | 0.6 | 0.2 |
| Bowel incontinence | 3/31 | 10 | 5/31 | 16.1 | 0.7 | 3/22 | 13.6 | 1/21 | 4.7 | 0.6 | 0.7 |
| Incomplete bowel emptying | 6/31 | 9.6 | 8/31 | 25.8 | 0.7 | 4/22 | 18.1 | 2/21 | 9.5 | 0.6 | 0.2 |
| Urgency | 17/31 | 54.8 | 18/31 | 58 | 1.0 | 12/22 | 54.5 | 8/21 | 38.0 | 0.4 | 0.3 |
| Nocturia | 19/31 | 61.2 | 9/31 | 29 | 0.02 | 11/22 | 50 | 7/21 | 33.3 | 0.3 | 0.8 |
| Pains | 11/31 | 35.4 | 3/31 | 9.6 | 0.03 | 9/22 | 41 | 4/21 | 19.0 | 0.2 | 0.4 |
| Weight | 13/31 | 42 | 24/31 | 77.4 | 0.009 | 9/22 | 41 | 4/21 | 19.0 | 0.2 | <0.0001** |
| Forgetfulness, memory | 15/31 | 48.3 | 16/31 | 51.6 | 1.0 | 11/22 | 50 | 6/21 | 28.5 | 0.2 | 0.2 |
| Loss of interest | 19/31 | 61.2 | 19/31 | 61.2 | 1.0 | 13/22 | 59 | 5/21 | 23.8 | 0.03 | 0.01** |
| Hallucinations | 6/31 | 19.3 | 7/31 | 19.3 | 1.0 | 0/22 | 0 | 0/21 | 0 | 1.0 | 0.03**** |
| Concentrating | 16/31 | 51.6 | 15/31 | 48.4 | 1.0 | 5/22 | 22.7 | 6/21 | 28.5 | 0.7 | 0.3 |
| Sad, blues | 16/31 | 51.6 | 6/31 | 19.3 | 0.01 | 11/22 | 50 | 5/21 | 23.8 | 0.1 | 1.0 |
| Anxiety | 20/31 | 64.5 | 22/31 | 70.1 | 0.8 | 15/22 | 68.1 | 5/21 | 23.8 | 0.006 | 0.001**** |
| Sex drive | 16/31 | 51.6 | 15/31 | 48.4 | 1.0 | 11/22 | 50 | 8/21 | 38.0 | 0.5 | 0.1 |
| Sex difficulty | 9/31 | 29 | 9/31 | 29 | 1.2 | 8/22 | 36.3 | 7/21 | 33.3 | 1.0 | 0.8 |
| Orthostatic dizziness | 21/31 | 67.7 | 22/31 | 70.1 | 1.0 | 6/22 | 27.2 | 2/21 | 9.5 | 0.2 | <0.0001** |
| Falling | 6/31 | 19.3 | 9/31 | 29 | 0.5 | 0/22 | 0 | 0/21 | 0 | 1.0 | 0.0073*** |
| Daytime sleepiness | 3/31 | 9.6 | 11/31 | 35.4 | 0.03 | 4/22 | 18.2 | 3/21 | 14.3 | 1.0 | 0.1 |
| Insomnia | 18/31 | 58 | 8/31 | 25.8 | 0.02 | 12/22 | 50 | 4/21 | 19.0 | 0.02 | 0.7 |
| Vivid dreams | 10/31 | 32.2 | 9/31 | 29 | 1.0 | 1/22 | 4.5 | 1/21 | 4.7 | 1.0 | 0.036**** |
| Acting out during dreams | 18/31 | 58 | 15/31 | 48.4 | 0.6 | 6/22 | 27.3 | 3/21 | 14.3 | 0.4 | 0.017**** |
| RLS | 9/31 | 29 | 2/31 | 9.6 | 0.04 | 8/22 | 36 | 4/21 | 19.0 | 0.3 | 0.2 |
| Swelling | 7/31 | 22 | 7/31 | 22.5 | 1.0 | 5/22 | 18.1 | 5/21 | 23.8 | 1.0 | 1.0 |
| Sweating | 4/31 | 12.9 | 5/31 | 25.8 | 0.3 | 7/22 | 32 | 5/21 | 23.8 | 0.7 | 0.5 |
| Diplopia | 7/31 | 22.5 | 5/31 | 16.1 | 0.7 | 0/22 | 0 | 0/21 | 0 | 1.0 | 0.1 |
| Delusions | 3/31 | 9.6 | 6/31 | 19.3 | 0.5 | 0/22 | 0 | 1/21 | 4.1 | 0.5 | 0.2 |
