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Table 3 Prevalence of pre-specified comorbidities for Alzheimer’s disease and matched cohorts

From: Retrospective assessment of patient characteristics and healthcare costs prior to a diagnosis of Alzheimer’s disease in an administrative claims database

Comorbidity, n (%)

AD (n = 16,494)

Matched Cohort (No AD or Dementia) (n = 49,482)

P value*

Hypertension

14,816 (89.8)

43,198 (87.4)

< 0.001

Dyslipidemia

13,951(84.6)

41,824 (84.6)

0.986

Other forms of heart disease

9434(57.2)

23,597 (47.7)

< 0.001

Osteoarthritis

8372 (50.8)

23,389 (47.3)

< 0.001

Urinary tract infection

8146 (49.4)

17,096 (34.6)

< 0.001

Cerebrovascular disease

7207 (43.7)

11,479 (23.2)

< 0.001

Ischemic heart disease

6963 (42.2)

17,841(36.1)

< 0.001

Diabetes

6866 (41.6)

18,698 (37.8)

< 0.001

Mood disorder

6483 (39.3)

8391 (17.0)

< 0.001

Osteoporosis

5788 (35.1)

16,325(33.0)

< 0.001

Any chronic obstructive pulmonary disease

5728 (34.7)

15,405(31.2)

< 0.001

Acute respiratory infection

5137 (31.1)

16,576 (33.5)

< 0.001

Cancer

4390 (26.6)

14,271(28.9)

< 0.001

Anxiety disorder

4356 (26.4)

7428(15.0)

< 0.001

Heart failure

3957(24.0)

8907(18.0)

< 0.001

Peripheral vascular disease

3547 (21.5)

8155 (16.5)

< 0.001

Atherosclerosis

3435(20.8)

8615(17.4)

< 0.001

Pneumonia

2931(17.8)

5506 (11.1)

< 0.001

Insomnia

2132(12.9)

4704(9.5)

< 0.001

Mild Cognitive Impairment

1727(10.5)

0(0.0)

< 0.001

Diseases of pulmonary circulation

1689 (10.2)

4248 (8.6)

< 0.001

Chronic ulcer of skin

1505(9.1)

2486 (5.0)

< 0.001

Behavioral disturbance

1369(8.3)

0 (0.0)

< 0.001

Venous Thromboembolism

969(5.9)

1999 (4.0)

< 0.001

Parkinson’s disease

872(5.3)

568 (1.1)

< 0.001

Gastric, duodenal, peptic, or gastrojejunal ulcer

854(5.2)

1710(3.5)

< 0.001

Epilepsy

845(5.1)

688(1.4)

< 0.001

Rheumatoid arthritis

771(4.7)

2155 (4.4)

0.087

Lung cancer

233(1.4)

720 (1.5)

0.686

  1. Abbreviations: AD Alzheimer’s disease, MCI Mild Cognitive Impairment
  2. *Chi square test used; Significance level set at P < 0.05