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Table 3 Demographic and clinical characteristics of women and men separately

From: Sex correction improves the accuracy of clinical dopamine transporter imaging

Variable group Variable All Women Men P valuea P-value correctedb
Demographics n 40 19 21
  Age (years) 66.8 (9.0) 68.0 (9.4) 65.8 (8.8) 0.44
Motor symptoms MDS-UPDRS motor score 6.6 (5.5) 6.4 (4.8) 6.9 (6.3) 0.92
Premotor and non-motor symptoms NMSS total score 16.2 (16.5) 13.7 (11.7) 18.4 (19.9) 0.81 1.00
  RBD (yes/no) 5/35 1/18 4/17 0.35 1.00
  Constipation 0.5 (1.5) 0.9 (2.1) 0.1 (0.4) 0.25 1.00
  Hyposmia 0.3 (1.4) 0.5 (1.8) 0.2 (0.9) 0.77 1.00
Cognition MMSE 28.0 (2.1) 27.9 (2.3) 28.0 (1.9) 0.96 1.00
Mood and anxiety BDI 2.6 (3.9) 3.2 (4.1) 2.1 (3.7) 0.23 1.00
  BAI 4.2 (4.4) 5.1 (4.1) 3.4 (4.5) 0.13 1.00
DAT binding Caudate 2.58 (0.32) 2.67 (0.30) 2.49 (0.31) 0.07 0.14
  Putamen 2.36 (0.32) 2.47 (0.33) 2.26 (0.29) 0.04 0.08
  Putamen asymmetry index 0.01 (0.04) 0.003 (0.03) 0.02 (0.05) 0.25
  Putamen/caudate ratio 0.92 (0.05) 0.92 (0.06) 0.91 (0.04) 0.42
  1. Values are means (SD) or n
  2. aMann-Whitney U-test, independent-samples t-test or Fisher’s exact test
  3. bBonferroni correction to adjust for multiple comparisons for two DAT binding regions and for eight symptom scales and questionnaires. Numbers of missing values: BAI = 1