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Table 2 Incidence (median, range) of ILI/LRTI ED accesses (per 1000 inhabitants) based on the SSS and the CCDWH, years 2011–2017

From: Hospital and economic burden of influenza-like illness and lower respiratory tract infection in adults ≥50 years-old

Risk factor

Age-group (years)

50–54

55–59

60–64

65–69

70–74

75–79

80–84

> 85

Total ≥ 50

Transplant

12.20 (0–75.00)

2.33 (0–23.53)

0 (0–0)

16.72 (0–27.40)

16.15 (0–54.05)

26.59 (0–36.36)

20.94 (0–80.00)

0 (0–0)

16.83 (4.87–25.89)

Renal failure

10.90 (0–27.03)

9.51 (0–29.15)

22.66 (0–34.57)

20.87 (10.75–48.43)

36.11 (19.28–58.01)

31.13 (20.31–67.88)

43.83 (28.91–57.97)

53.04 (46.85–59.89)

38.32 (36.19–50.63)

HIV/AIDS

7.20 (4.45–23.87)

8.05 (0–20.51)

20.61 (0–28.14)

9.84 (0–36.36)

12.66 (0–52.63)

0 (0–51.28)

0 (0–111.11)

0 (0–0)

11.20 (8.22–13.95)

Cancer

4.40 (2.86–6.29)

3.81 (2.65–4.77)

4.63 (3.95–7.63)

6.65 (3.36–8.6)

9.56 (6.93–11.52)

12.93 (10.27–18.91)

19.11 (15.73–23.83)

24.31 (18.93–26.84)

12.11 (9.97–14.32)

Diabetes

3.92 (2.82–6.23)

6.84 (1.07–8.12)

7.90 (6.67–14.2)

7.03 (5.96–9.27)

15.15 (10.47–18.25)

17.04 (12.55–22.38)

20.13 (15.76–21.84)

26.08 (17.33–28.73)

14.92 (11.93–18.16)

Cardiovascular Diseases

7.18 (3.47–10.28)

12.55 (9.58–15.15)

12.16 (6.23–18.47)

13.55 (8.22–15.12)

19.16 (16.25–19.65)

17.15 (15.63–22.84)

23.97 (18.16–31.5)

36.03 (28.57–39)

20.63 (18.74–24.13)

Bronchopneumopathy

9.88 (6.79–12.38)

13.39 (6.80–15.62)

21.06 (15.94–24.81)

26.32 (18.06–33.31)

37.08 (28.52–42.81)

40.63 (36.35–54.18)

51.07 (35.77–59.36)

66.63 (58.91–70.78)

37.41 (31.97–39.59)

Gastrointestinal diseases

6.59 (1.64–11.95)

6.98 (2.16–12.9)

11.18 (4.66–14.97)

15.72 (10.94–22.08)

15.23 (4.78–20.98)

26.21 (14.81–30.14)

19.73 (13.25–24.32)

36.58 (6.80–66.67)

15.46 (13.77–16.53)

Neuropathy

5.10 (2.27–9.03)

9.77 (6.39–15.55)

12.09 (9.17–19.05)

12.52 (3.27–15.77)

16.40 (13.34–24.68)

17.90 (15.91–25.76)

24.15 (13.52–28.26)

33.43 (25.35–35.76)

21.43 (17.97–24.61)

Autoimmune Diseases

3.78 (1.82–7.56)

4.90 (3.36–9.23)

3.49 (0–8.79)

4.79 (0–7.84)

7.71 (2.04–11.2)

18.20 (13.79–26.75)

14.99 (5.54–30.00)

25.04 (16.67–44.82)

7.92 (7.02–9.69)

Endocrine metabolic disorders

2.35 (0.86–6.72)

3.43 (2.19–4.50)

5.47 (3.44–7.49)

6.14 (2.85–9.63)

8.97 (5.74–10.10)

12.57 (8.90–19.71)

17.17 (11.66–23.26)

22.64 (15.47–31.77)

9.18 (8.30–12.13)

Rare Diseases

3.17 (0–16.86)

3.97 (0–9.78)

0.99 (0–24.45)

4.34 (0–7.38)

6.43 (5.03–21.33)

10.19 (0–24.59)

14.31 (3.32–25.81)

25.32 (0–58.82)

6.44 (3.20–10.39)

At least one risk factor

4.83 (3.36–6.74)

4.83 (4.25–5.65)

6.52 (4.76–8.62)

7.51 (7.51–8.97)

10.76 (9.70–12.55)

13.34 (12.26–16.89)

19.94 (16.42–22.74)

31.56 (26.68–36.13)

12.59 (11.81–14.78)

No risk factor

1.48 (0.93–2.21)

1.86 (1.28–2.41)

1.68 (1.39–2.03)

1.83 (1.64–2.72)

2.34 (1.71–2.67)

2.88 (2.05–3.45)

3.73 (3.30–5.13)

6.70 (4.88–8.42)

2.49 (2.10–2.88)

Total

2.08 (1.75–3.15)

2.88 (2.32–3.08)

3.55 (2.72–4.06)

4.59 (3.90–5.38)

6.80 (6.14–7.81)

8.79 (8.34–11.34)

12.93 (10.37–15.98)

18.92 (18.01–22.80)

6.73 (6.23–8.01)

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BMC Health Services Research

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