Skip to main content

Table 1 Demographic and clinical characteristics of the population

From: Polypharmacy in older patients with chronic diseases: a cross-sectional analysis of factors associated with excessive polypharmacy

Characteristics

All subjects (n = 3904)

Polypharmacy 7–10 substancesb (n = 1644)

Excessive Polypharmacy ≥10 substances (n = 2260)

n

 

n

 

n

 

Sociodemographic data

 

Age

3904

 

 75-85c (n, %)

3036

77.8

1270

77.3

1766

78.1

  ≥ 85 (n, %)

868

22.2

374

22.7

494

21.9

 mean ± SD (years)

3904

81.5 ± 4.4

1644

81.6 ± 4.4

2260

81.5 ± 4.4

Sex

3904

 

Female, n (%)

2240

57.4

913

55.5

1327

58.7

Male, n (%)

1664

42.6

731

44.5

933

41.3

Educational level, n (%)

3578a

 

 Low

1536

39.3

669

40.7

867

38.4

 Medium

1465

37.5

583

35.5

882

39.0

 High

577

14.8

239

14.5

338

15.0

Health-related factors

3736a

 

Smokers, n (%)

154

3.9

72

4.4

82

3.6

BMI, n (%)

3904

 

 BMI < 18.5

34

0.9

15

0.9

19

0.8

 BMI 18.5–24

957

24.5

435

26.5

522

23.1

 BMI 25–29

1606

41.1

710

43.2

896

39.7

 BMI ≥30

1307

33.5

484

29.4

823

36.4

Frailty level, n (%)

3781a

 

 Managing well

1643

42.1

804

48.9

839

37.1

 Vulnerable

868

22.2

358

21.8

510

22.6

 Mildly frail

660

16.9

237

14.4

423

18.7

 Moderately frail

505

13.0

153

9.3

352

15.6

 Severely frail

97

2.5

32

2.0

65

2.9

 Very severely frail

8

0.2

2

0.1

6

0.2

Physical health composite score, median (range)

3484a

36.6 (10–68)

1454

39.4 (12–68)

2030

34.7 (10–63)

Mental health composite score, median (range)

3483a

48.7 (12–76)

1454

50.3 (14–76)

2029

47.4 (12–74)

Study centre, n (%)

3904

 

 Austria

587

15.0

259

15.8

328

14.5

 Germany 1

981

25.1

351

21.3

630

27.9

 Germany 2

742

19.0

334

20.3

408

18.1

 Italy

901

23.4

439

26.7

462

20.4

 UK

693

17.8

261

15.9

432

19.1

Substances, n (mean ± SD)

3904

10.5 ± 2.4

1644

8.5 ± 0.6

2260

12.0 ± 2.2

Diagnoses, n (mean ± SD)

3898a

9.5 ± 4.9

1644

8.2 ± 4.2

2260

10.5 ± 5.2

  1. aAs n differs from 3904, the rest of the patients have missing data regarding the variable
  2. b7 patients took < 7 substances
  3. c5 patients were < 75 years old
  4. Legend: BMI body mass index, Germany 1 Rostock, Germany 2 = Witten, SD Standard deviation