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Table 3 Percentage of influenza cases who visited at least once each healthcare setting during their influenza episode, stratified by age groups and presence of comorbidities, 2017/2018 season

From: Clinical and economic burden of physician-diagnosed influenza in adults during the 2017/2018 epidemic season in Spain

Presence of comorbidities

Age group

Percentage of influenza cases who visited at least once the healthcare setting during their influenza episode (%)*

PC

OP

ED

HO

PM

Total (with or without comorbidities)

18–49

98.5

2.5

9.7

1.0

46.2

50–64

98.8

5.2

12.6

4.1

57.1

 ≥ 65

97.9

10.7

36.6

25.0

67.5

 ≥ 18

98.5

4.3

14.0

5.0

51.9

With comorbidities

18–49

99.0

4.3

13.4

2.2

53.1

50–64

98.9

7.6

17.1

7.7

63.0

 ≥ 65

97.6

13.2

44.7

32.5

69.0

 ≥ 18

98.6

7.5

22.3

11.4

60.2

Without comorbidities

18–49

98.3

1.8

8.2

0.5

43.6

50–64

98.8

3.0

8.5

0.8

51.7

 ≥ 65

98.7

3.8

14.5

4.6

63.4

 ≥ 18

98.4

2.2

8.7

0.8

46.6

  1. ED Emergency Department, HO Hospital (Inpatient), OP Outpatient (specialized care), PC Primary Care, PM Prescription Medicines
  2. *Cases are number of patients. Each patient may then visit each service more than once