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Table 1 Clinical characteristics and serum NFL levels of participants

From: Serum NFL discriminates Parkinson disease from essential tremor and reflect motor and cognition severity

  1. Abbreviations: BMI body mass index; ET essential tremor; H-Y Hoehn & Yahr; MMSE Mini-mental state examination; NA not available; NFL neurofilament light chain; PD Parkinson disease; UPDRS united Parkinson’s disease rating scale
  2. Values are expressed as the mean ± SD
  3. aParameters were analyzed with analysis of variance using Bonferroni as post hoc test in the case of normal distribution of data. For variables that did not display a normal distribution, data were compared with the Kruskal-Wallis test for comparison of multiple groups, or Mann-Whitney U test for comparison of 2 groups. Sex was analyzed using χ2 test
  4. bDifferences were found between PD vs ET
  5. cDifferences were found between PD vs control