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Table 2 The differences of the disease duration, the H&Y stage, the L-dopa equivalent dose, and the UPDRS scores and subscores among PDSS-identified sleep disturbances

From: Tremor and clinical fluctuation are related to sleep disorders in Chinese patients with Parkinson’s disease

items Groups
Score ≤ 90 (n = 26)   91 ~ 104(n = 24)   ≥105(n = 86)  
Mean (SD) Min-Max Mean (SD) Min-Max Mean (SD) Min-Max
Male. n (%) 15(17.6) 15(17.6) 55(64.7)
Age at visit, years 63.42(2.68) 34-87 70.42(1.48) 51-88 62.71(1.22) 29-80
Age at onset, years 54.21(2.84) 27.5-81 64.54(1.97) 40-81 57.68(1.27) 27.5-78
Disease duration** 9.21(6.14) 0.5-27 5.88(5.59) 1-27 5.03(4.09) 0.5-20
H&Y stage** 2.62(0.90) 1-4 2.38(0.77) 1-4 1.95(0.75) 1-4
Levodopa* 494(208) 100-950 339(233) 0-786 360(261) 0-1196
UPDRS score** 56.19(29.93) 19-141 48.46(26.75) 18-121 36.72(17.36) 10-111
Daily life activity* 16.85(8.68) 6-41 14.96(8.93) 6-37 11.44(5.11) 3-33
Motor function** 36.27(21.06) 3-91 32.33(18.27) 10-83 24.00(12.30) 4-73
Tremor* 5.96(5.42) 0-20 5.58(3.87) 0-15 3.53(3.05) 0-14
Rigidity** 8.46(4.55) 0-19 6.17(4.58) 0-17 5.26(3.44) 0-15
bradykinesia 13.54(8.58) 1-30 12.04(8.61) 1-36 9.27(6.23) 0-36
Gait/postural stability* 5.23(3.73) 0-15 5.38(3.82) 0-16 3.61(2.95) 0-16
Bulbar abnormalities** 3.08(1.35) 1-7 3.17(1.63) 0-8 2.33(0.99) 0-5
Complication** 3.08(2.62) 0-9 1.17(1.09) 0-4 1.28(1.97) 0-11
Motor fluctuation** 1.46(1.96) 0-7 0.04(0.2) 0-1 0.44(1.06) 0-4
Dyskinesia 0.50(1.03) 0-4 0.17(0.64) 0-3 0.26(0.84) 0-6
  1. *:p < 0.05; **:p < 0.01. Kruskal-Wallis Test, max = maximum; min = minimum.