Table 1 Patient characteristics
DLBPDDPDControls
No of subjects13*12†10‡41§
Age (mean (SD) (range))72.2 (5.2) (62–80)69.3 (6.9) (56–80)68.2 (6.3) (58–75)67.8 (7.8) (55–82)¶
Sex (male)10/1310/127/1024/41
MMSE (mean (SD) (range))20.3 (7.4) (10–28)21.8 (2.8) (17–26)28.8 (1.5) (26–30)29.9 (0.3) (29–30)
Duration of diagnosis of dementia at the time of scan (years)4.2 (2.6)3.52 (1.5)
Duration of PD symptoms (years)3.4 (1.8)10.6 (4.8)9.2 (3.9)
UPDRS16.3 (13.8)38.2 (12.9)30.5 (6.9)
  • Values are mean (SD) unless otherwise indicated.

  • *10 DLB from Melbourne and three from Turku.

  • †Six PDD from London and six from Turku.

  • ‡Seven PD from London and three from Turku.

  • §17 HC from London, 12 HC from Turku and 12 from Melbourne.

  • ¶Mean age from London was 64.8 (6.2) years, mean age from Turku was 65.1 (7.6) years and mean age from Melbourne was 72.3 (5.1) years.

  • DLB, dementia with Lewy bodies; MMSE, Mini-Mental State Examination; PD, Parkinson’s disease; PDD, Parkinson’s disease dementia; UPDRS, Unified Parkinson’s Disease Rating Scale.