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Table 2 Incidence of dementia estimated by sex, age, and follow-up years for CKD and non-CKD cohorts

From: Patients with chronic kidney disease are at an elevated risk of dementia: A population-based cohort study in Taiwan

 

Non-CKD

CKD

 
 

N

Case

Person-years

Incidence rate†

N

Case

Person-years

Incidence rate†

IRR

(95% CI)

All

74098

2621

472301

5.55

37049

2013

216301

9.30

1.68

(1.58-1.78)

Sex

Women

33948

1293

222306

5.82

16974

969

102586

9.45

1.62

(1.49-1.77)

Men

40150

1328

249995

5.31

20075

1044

113795

9.17

1.73

(1.59-1.87)

Age, years

20–39

10710

1

72841

0.01

5355

8

36456

0.22

16.0

(2.00-128)

40–64

34742

262

234351

1.12

17371

298

111467

2.67

2.39

(2.03-2.82)

≥65

28646

2358

165109

14.3

14323

1707

68458

24.9

1.75

(1.64-1.86)

Follow-up time, year

< 2

74098

696

144691

4.81

37049

651

68898

9.45

1.96

(1.77-2.18)

≥ 2

70600

1925

327610

5.88

32917

1362

147483

9.23

1.55

(1.43-1.67)

  1. † Incidence rate: per 1,000 person-years.
  2. IRR (Incidence rate ratio): CKD vs. non-CKD (95% CI).
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BMC Nephrology

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