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Table 5 Occurrence and timing for different neuropsychiatric comorbidities in patients with dementia with Lewy bodies versus Alzheimer’s disease patients

From: Comorbidity profile in dementia with Lewy bodies versus Alzheimer’s disease: a linkage study between the Swedish Dementia Registry and the Swedish National Patient Registry

Comorbidity Dementia with Lewy bodies Alzheimer’s disease Pvaluea
(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)
  1. Data presented as number (%). Statistically significant differences (P≤0.05) in bold. aPearson chi-square statistics.