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Table 1 Control, Parkinson’s disease non-dementia (PDND), Parkinson’s disease dementia (PDD) and dementia with Lewy bodies (DLB) cases: demographic and clinical data

From: Evaluating the relationship between amyloid-β and α-synuclein phosphorylated at Ser129 in dementia with Lewy bodies and Parkinson’s disease

  Control (n = 17) PDND (n = 23) PDD (n = 12) DLB (n = 10)
Mean age at onset (years) ± SD N/A 61.1 ± 9.1 58.2 ± 7.7 69.7 ± 7.3
Mean age at death (years) ± SD 79.2 ± 8.7 77.7 ± 6.2 77.85 ± 6.1 77.0 ± 9.0
Mean disease duration (years) ± SD N/A 16.6 ± 6.7 19.7 ± 6.5 7.3 ± 2.0
Gender (%) 3 (18) female 13 (57) female 6 (50) female 4 (40) female
Mean post-mortem delay (hours) ± SD 37.0 ± 16.6 63.6 ± 27.0 38.2 ± 21.7 28.0 ± 10.9
Mean time to dementia (years) ± SD N/A N/A 14.6 ± 6.9 N/A
Median Braak tangle stage (range) II (0 to III) II (I to IV) II (I to IV) II (0 to III)
  1. N/A, not available; n, number; SD, standard deviation.