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. 2014 Oct 6;6(5):65. doi: 10.1186/s13195-014-0065-2

Table 5.

Occurrence and timing for different neuropsychiatric comorbidities in patients with dementia with Lewy bodies versus Alzheimer’s disease patients

Comorbidity Dementia with Lewy bodies
 Alzheimer’s disease
 P value a
(n  = 634) (n  = 9,161)
Depression
  
  
 <0.001
  None
 587 (92.7)
 8,736 (95.5)
  Before dementia diagnosis
 38 (6.0)
 277 (3.0)
  After dementia diagnosis
 8 (1.3)
 130 (1.4)
Anxiety
  
  
 0.508
  None
 612 (96.7)
 8,905 (97.4)
  Before dementia diagnosis
 16 (2.5)
 172 (1.9)
  After dementia diagnosis
 5 (0.8)
 66 (0.7)
Behavioral disorders
  
  
 0.012
  None
 612 (96.7)
 8,964 (98.0)
  Before dementia diagnosis
 9 (1.4)
 107 (1.2)
  After dementia diagnosis
 12 (1.9)
 72 (0.8)
Bipolar affective disorder
  
  
 0.258
  None
 628 (99.2)
 9,100 (99.5)
  Before dementia diagnosis
 5 (0.8)
 36 (0.4)
  After dementia diagnosis
 0
 7 (0.1)
Sleep disorders
  
  
 0.093
  None
 616 (97.3)
 9,001 (98.4)
  Before dementia diagnosis
 14 (2.2)
 116 (1.3)
  After dementia diagnosis
 3 (0.5)
 26 (0.3)
Syncope
  
  
 0.472
  None
 587 (92.7)
 8,486 (92.8)
  Before dementia diagnosis
 35 (5.5)
 443 (4.8)
  After dementia diagnosis
 11 (1.7)
 214 (2.3)
Stroke
  
  
 0.002
  None
 580 (91.6)
 8,665 (94.8)
  Before dementia diagnosis
 28 (4.4)
 277 (3.0)
  After dementia diagnosis
 25 (3.9)
 201 (2.2)
Cerebral hemorrhage
  
  
 0.709
  None
 623 (98.4)
 9,015 (98.6)
  Before dementia diagnosis
 6 (0.9)
 62 (0.7)
  After dementia diagnosis
 4 (0.6)
 66 (0.7)
Epilepsy
  
  
 0.291
  None
 622 (98.3)
 9,022 (98.7)
  Before dementia diagnosis
 8 (1.3)
 66 (0.7)
  After dementia diagnosis
 3 (0.4)
 55 (0.6)
Migraine
  
  
 0.028
  None
 627 (99.1)
 9,113 (99.7)
  Before dementia diagnosis
 6 (0.9)
 28 (0.3)
  After dementia diagnosis 0 2 (0.0)

Data presented as number (%). Statistically significant differences (P < 0.05) in bold. aPearson chi-square statistics.