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Table 3 A univariate analysis of the factors associated with the PDSS scores

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

Variable Regression coefficient 95% CI Standardized coefficient t-score p-value R2
Disease duration -1.346 -2.103 to -0.589 -0.291 -3.517 0.001 0.085
HY stage -9.57 -14.125 to -5.016 -0.338 -4.156 0.000 0.114
levodopa -0.016 -0.031 to 0.000 -0.171 -2.004 0.047 0.029
Daily life activity -1.274 -1.8 to -0.747 -0.382 -4.785 0.000 0.146
Tremor -1.994 -2.965 to -1.024 -0.331 -4.065 0.000 0.11
Rigidity -1.918 -2.848 to -0.988 -0.332 -4.08 0.000 0.11
Bradykinesia -0.913 -1.487 to -0.338 -0.262 -3.142 0.002 0.069
Gait/postural stability -2.009 -3.15 to -0.868 -0.288 -3.481 0.001 0.083
Bulbar abnormality -4.812 -7.902 to -1.721 -0.257 -3.079 0.003 0.066
Motor fluctuation -5.135 -8.124 to -2.146 -0.282 -3.398 0.001 0.079
Dyskinesia -3.18 -7.385 to 1.476 -0.116 -1.351 0.179 0.013
  1. The regression coefficient is an unstandardized beta weight and the standardized coefficient is a beta weight as well; CI = confidence interval.