Table 2: Descriptive data for patients with PD and all patients and for patients with (FSS ≥ 4) and without (FSS < 4) fatigue separately.

All PD patientsFatigued patientsNonfatigued patients
( = 114)( = 66)( = 48)

Gender, (%) female44 (38.6%)26 (39.4%)18 (37.5%)1.0

Age, years62.2 (10.8)62.6 (12.2)61.6 (8.9)0.58
61 25–8061 25–8061 46–78

Education, (%):
 Primary18 (15.8%)10 (15.2%)8 (16.7%)0.98
 Vocational30 (26.3%)18 (27.3%)12 (25.0%)
 Secondary40 (35.1%)22 (33.3%)18 (37.5%)
 Higher26 (22.8%)16 (24.2%)10 (20.8%)

Disease duration, years12.3 (16.9)14.7 (19.9)9.1 (11.3)0.23
6 0.5–727 0.5–725.5 0.5–54

UPDRS, score 37.3 (18.9)39.6 (17.6)34.2 (20.5)0.18
32 10–8137 17–7928.5 10–81

UPDRS Part III, score18.2 (8.6)18.5 (7.7)17.7 (9.9)0.47
16 6–3617 7–3614.5 6–36

Hoehn and Yahr, stage2.3 (0.8)2.5 (0.8)2.1 (0.8)0.13
2.5 1–42.5 1–42.0 1–4

Schwab and Englanda, score77 (12)75 (11)79 (14)0.12
80 40–10080 50–9080 40–100

Rigidity score1.7 (0.9)1.6 (0.9)1.8 (0.8)0.81
2 0–32 0–32 0–3

Tremor score1.5 (1.1)1.4 (1.0)1.7 (1.2)0.40
2 0–42 0–31.5 0–4

Postural abnormalities score1.3 (0.6)1.4 (0.6)1.1 (0.7)0.09
1 0–31 0–31 0–2

Akinesia score1.9 (0.8)2.0 (0.7)1.9 (0.9)0.88
2 0–32 1–32 0–3

Dyskinesias, (%)36 (31.6%)22 (33.3%)14 (29.2%)0.78

Fluctuations, (%)46 (40.4%)30 (33.3%)36 (31.6%)0.42

Treatment duration, years5.2 (5.8)7.0 (5.9)5.1 (5.3)0.19
5 0–236 0–234 0–18

LDE, mg/day504.4 (393.5)589.4387.50.10
500 0–2000(428.6)(311.1)

BDI, (%):
 Normal70 (61.4%)38 (57.6%)32 (66.7%)0.31
 Mild depression38 (33.3%)22 (33.3%)16 (33.3%)
 Moderate depression6 (5.3%)6 (9.1%)0 (0%)
 Severe depression0 (0%)0 (0%)0 (0%)

ESS, (%):
 Normal94 (82.5%)54 (81.2%)40 (83.3%)0.53
 Mild-to-moderate sleep apnea14 (12.3%)10 (15.2%)4 (8.3%)
 Severe sleep apnea, ESS > 156 (5.3%)2 (3.0%)4 (8.3%)

Presence of pain, (%)42 (36.8%)26 (39.4%)16 (33.3%)0.78

Presence of nycturia, (%)52 (45.6%)26 (39.4%)26 (54.2%)0.29

The table presents standard deviation (SD) and median (min–max) for measurable variables or numbers, and proportions for nominal variables.
Significance of the difference between the patients’ groups with FSS ≥ 4 and FSS < 4; Mann-Whitney test for measurable and rank variables and Fisher’s exact test for nominal variables.