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Table 2 Incidence rate and median survival times according to covariates

From: The effect of comorbidities on survival in persons with Alzheimer’s disease: a matched cohort study

  

AD cohort

Non-AD cohort

 

Category

IR/ 100 Person-years

Median survival time in years (min.-max.)

IR/ 100 Person-years

Median survival time in years (min.-max.)

Sociodemographic factors

 Age Category

< 80 y

9.22

5.50 (0.02–11)

3.47

6.33 (0.08–11)

≥80 y

16.80

4.33 (0.02–11)

10.22

4.84 (0.01–11)

 Sex

Women

11.81

5 (0.02–11)

6.36

5.61 (0.01–11)

Men

15.15

4.5 (0.02–11)

7.35

5.33 (0.03–11)

 SEP

Managerial/professional

11.33

4.93 (0.04–11)

4.75

5.75 (0.08–11)

Office worker

11.75

4.99 (0.02–11)

5.64

5.67 (0.01–11)

Farming/forestry

13.85

4.72 (0.03–11)

8.21

5.33 (0.06–11)

Sales/industry/cleaning

12.99

4.78 (0.02–11)

6.94

5.45 (0.02–11)

Unknown/ Did not respond

15.24

4.56 (0.04–11)

7.85

5.5 (0.08–11)

Comorbidities

 Any cardiovascular disease

No

11.24

5.03 (0.02–11)

5.11

5.83 (0.01–11)

Yes

14.75

4.58 (0.02–11)

8.53

5.16 (0.03–11)

 Coronary artery disease

No

11.66

5 (0.02–11)

5.52

5.75 (0.01–11)

Yes

16.1

4.36 (0.02–11)

10.23

4.89 (0.03–11)

 Stroke

No

12.51

4.85 (0.02–11)

6.24

5.6 (0.01–11)

Yes

16.90

4.25 (0.02–11)

12.96

4.54 (0.02–11)

 Diabetes

No

12.46

4.9 (0.02–11)

6.32

5.6 (0.01–11)

Yes

14.82

4.43 (0.02–11)

10.07

4.84 (0.03–11)

 Asthma/COPD

No

12.63

4.84 (0.02–11)

6.4

5.58 (0.02–11)

yes

15.2

4.43 (0.05–11)

9.43

5 (0.08–11)

 History of hip fracture

No

12.63

4.84 (0.02–10.91)

6.65

5.58 (0.01–11)

Yes

18.49

4.08 (0.02–10.91)

14.88

4.25 (0.06–11)

 Cancer treatment within 5 years of start of follow-up

No

12.2

4.91 (0.02–11)

5.6

5.67 (0.01–11)

Yes

16.37

4.34 (0.02–11)

10.93

4.9 (0.02–11)

 Any mental or behavioral disorder (exc. dementia)

No

12.28

4.91 (0.02–11)

5.60

5.75 (0.01–11)

Yes

13.33

4.75 (0.02–11)

7.77

5.30 (0.02–11)

  1. Abbreviations: AD, Alzheimer’s disease; COPD, chronic obstructive pulmonary disease; exc., excluding; IR, incidence rate; max., maximum; min., minimum; SEP, socioeconomic position; y, years