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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.