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Table 4 Predictors of mortality (demographics and comorbidities) after hip fracture (persons with previous fractures excluded)

From: Comparison of predictors of hip fracture and mortality after hip fracture in community-dwellers with and without Alzheimer’s disease – exposure-matched cohort study

Risk factor

Category

AD cohort

Non-AD cohort

Mortality/ 100 PY

Unadjusted HR

(95% CI)

Adjusted HRa

(95% CI)

Mortality/ 100 PY

Unadjusted HR

(95% CI)

Adjusted HRa

(95% CI)

Age at baseline, increase per year

  

1.04 (1.03–1.05)

1.05 (1.05–1.06)

N.A

1.07 (1.06–1.09)

1.08 (1.07–1.10)

Sex

Men

25.1

1.00 (reference)

1.00 (reference)

19.4

1.00 (reference)

1.00 (reference)

 

Women

47.7

1.90 (1.74–2.08)

2.09 (1.90–2.29)

39.3

2.06 (1.79–2.36)

2.43 (2.10–2.80)

Highest occupational social class before follow-up

Managerial/professional

29.9

1.00 (reference)

1.00 (reference)

23.4

1.00 (reference)

N.A

Office worker

25.6

0.85 (0.72–1.01)

1.02 (0.86–1.21)

20.7

0.88 (0.66–1.16)

 

Farming/forestry

30.6

1.02 (0.89–1.17)

1.01 (0.88–1.15)

23.0

0.97 (0.78–1.21)

 

Sales/industry/cleaning

29.6

0.99 (0.88–1.11)

1.05 (0.93–1.18)

23.7

1.00 (0.83–1.22)

 

Unknown

28.8

0.96 (0.83–1.12)

1.04 (0.89–1.21)

24.5

1.05 (0.82–1.34)

 
 

Did not respond

25.7

0.86 (0.55–1.33)

1.03 (0.67–1.61)

23.3

0.97 (0.48–1.98)

 

Hip replacement

No

29.36

1.00 (reference)

1.00 (reference)

23.38

1.00 (reference)

1.00 (reference)

 

Yes

21.85

0.74 (0.49–1.13)

0.68 (0.45–1.04)

20.36

0.86 (0.46–1.61)

1.22 (0.65–2.29)

Knee replacement

No

29.62

1.00 (reference)

1.00 (reference)

23.47

1.00 (reference)

1.00 (reference)

Yes

19.88

0.67 (0.52–0.87)

0.73 (0.56–0.95)

18.83

0.80 (0.51–1.24)

0.88 (0.56–1.38)

Cardiovascular disease

No

26.5

1.00 (reference)

1.00 (reference)

20.2

1.00 (reference)

1.00 (reference)

 

Yes

32.1

1.21 (1.12–1.32)

1.19 (1.10–1.29)

26.0

1.28 (1.12–1.47)

1.31 (1.15–1.50)

Stroke

No

28.7

1.00 (reference)

1.00 (reference)

22.3

1.00 (reference)

1.00 (reference)

 

Yes

36.8

1.28 (1.12–1.47)

1.19 (1.03–1.37)

37.9

1.70 (1.38–2.09)

1.67 (1.35–2.06)

Diabetes

No

28.7

1.00 (reference)

1.00 (reference)

23.3

1.00 (reference)

1.00 (reference)

 

Yes

33.3

1.16 (1.03–1.31)

1.22 (1.08–1.38)

23.9

1.03 (0.85–1.24)

1.17 (0.96–1.42)

Asthma/COPD

No

28.9

1.00 (reference)

1.00 (reference)

23.5

1.00 (reference)

1.00 (reference)

 

Yes

33.4

1.16 (1.01–1.33)

1.17 (1.02–1.34)

22.2

0.93 (0.74–1.17)

1.04 (0.83–1.31)

Cancer treatment

No

29.3

1.00 (reference)

1.00 (reference)

23.3

1.00 (reference)

1.00 (reference)

Yes

23.6

0.81 (0.52–1.24)

0.88 (0.57–1.35)

26.4

1.12 (0.68–1.83)

1.63 (0.99–2.68)

Any mental or behavioural disorder

No

28.2

1.00 (reference)

1.00 (reference)

22.8

1.00 (reference)

1.00 (reference)

Yes

31.6

1.12 (1.03–1.22)

1.18 (1.08–1.29)

28.1

1.25 (1.02–1.54)

1.28 (1.04–1.58)

  1. aAdjusted for occupational social class