Table 1 Sociodemographic, functional and clinical characteristics of patients with chronic diseases and with or without polypharmacy

Sociodemographic variables

 Female

5862 (62.1%)

61.1–63.1

4,761 (60.7%)

59.6–61.8

1,101 (68.9%)

66.6–71.2

 Age*

57.6 [18.7]

57.4–58.2

52.7 [16.1]

52.4–53.1

82.7 [7.1]

82.4–83.1

   ≤ 75 years

7473 (79.1%)

78.3–80.0

7,318 (93.3%)

92.7–93.8

155 (9.7%)

8.3–11.2

   > 75 years

1970 (20.9%)

20.0–21.68

527 (6.7%)

6.2–7.3

1,443 (90.3%)

88.9–91.8

Origin Spain

7762 (82.2%)

81.4–83.0

6,381 (81.3%)

80.5–82.2

1,381 (86.4%)

84.7–88.1

  Rest of Europe

346 (3.7%)

3.3–4.0

300 (3.8%)

3.4–4.2

46 (2.9%)

2.1–3.7

  Rest of the world

1335 (14.1%)

13.4–14.8

1,164 (14.8%)

14.1–15.6

171 (10.7%)

9.2–12.2

Functional variables

 Immobilized

300 (3.2%)

2.8–3.5

43 (0.5%)

0.4–0.7

257 (16.1%)

14.3–17.9

 Institutionalized

161 (1.7%)

1.4–2.0

45 (0.6%)

0.4–0.7

116 (7.3%)

6.0–8.5

 Primary caregiver

228 (2.4%)

2.1–2.7

28 (0.4%)

0.1–0.5

200 (12.5%)

10.9–14.1

 Home support

80 (0.8%)

0.7–1.0

9 (0.1%)

0.04–0.2

71 (4.4%)

3.4–5.5

 Palliative care

44 (0.5%)

0.3–0.6

14 (0.2%)

0.09–0.3

30 (1.9%)

1.2–2.5

Clinical variables

 AMG Risk Level High

443 (4.7%)

4.3–5.1

92 (1.2%)

0.9–1.4

351 (22.0%)

19.9–24.0

 Medium

1770 (18.7%)

18.0–19.5

996 (12.7%)

12.0–13.4

774 (48.4%)

46.0–50.9

 Low

7230 (76.6%)

75.7–77.4

6,757 (86.1%)

85.4–86.9

473 (29.6%)

27.3–31.8

 Complexity index*

6.9 [7.1]

6.7–7.0

5.2 [4.5]

5.1–5.3

15.1 [10.9]

14.6–15.6

 Chronic diseases*

2.6 [1.8]

2.56–2.63

2.2 [1.4]

2.1–2.2

4.8 [2.2]

4.64–4.86

 Multimorbidity

5991 (63.4%)

62.5–64.4

4,463 (56.9%)

55.8–58.0

1,528 (95.6%)

94.6–96.6