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Table 4 Coverage rates and logistic regression in subjects with chronic heart disease

From: Influenza coverage rates in subjects with chronic heart diseases: results obtained in four consecutive immunisation seasons in the Local Health Unit of Ferrara (North Italy)”

 

Immunisation season 2011/2012

Immunisation season 2012/2013

Immunisation season 2013/2014

Immunisation season 2014/2015

CV (%)

p

OR

95% CI

CV (%)

p

OR

95% CI

CV (%)

p

OR

95% CI

CV (%)

p

OR

95% CI

Gender

 Females

54.0

0.589

0.98

0.90

1.06

45.1

0.298

0.96

0.89

1.03

48.8

0.233

0.95

0.88

1.03

45.1

0.106

0.94

0.87

1.01

 Malesa

47.4

    

39.9

    

44.1

    

41.6

    

Age

 

< 0.0001

   

< 0.0001

   

< 0.0001

   

< 0.0001

  

 0–14 yrs.a

29.2

    

21.0

    

23.9

    

20.8

    

 15–64 yrs

28.3

0.676

0.91

0.58

1.43

22.3

0.924

0.98

0.65

1.49

24.5

0.927

0.98

0.63

1.52

22.6

0.763

1,07

0.69

1.66

 Over 65 yrs

71.6

< 0.0001

4.53

2.88

7.14

62.9

< 0.0001

4.90

3.23

7.44

65.9

< 0.0001

4.79

3.08

7.47

60.3

< 0.0001

4.67

3.00

7.26

District of residence

 

< 0.0001

   

0.146

    

< 0.0001

   

< 0.0001

  

 Westerna

44.4

    

38.2

    

33.9

    

35.0

    

 Centre-North

49.8

< 0.0001

1.25

1.13

1.39

41.3

0.075

1.18

0.98

1.41

44.4

< 0.0001

1.53

1.28

1.82

41.5

0.003

1.25

1.08

1.45

 South-Eastern

54.9

< 0.0001

1.35

1.21

1.50

46.4

0.050

1.21

1.00

1.45

50.7

< 0.0001

1.67

1.39

1.99

47.3

< 0.0001

1.38

1.18

1.60

Length of exemption

 

< 0.0001

   

< 0.0001

   

< 0.0001

   

< 0.0001

  

 < 1 yr

45.7

0.713

0.95

0.70

1.27

38,7

0.05023

0.82

0.68

1.00

32.7

0.19819

0.65

0.34

1.25

28.6

0.770

0.90

0.45

1.81

 1–4 yrs

44.4

0.217

1.11

0.94

1.30

39,7

0.449

1.06

0.91

1.23

40.8

0.224

0.91

0.78

1.06

38.0

0.148

0.89

0.75

1.04

 ≥5 yrs

32.8

< 0.0001

0.66

0.59

0.74

29,7

< 0.0001

0.70

0.64

0.78

33.4

< 0.0001

0.73

0.66

0.81

31.2

< 0.0001

0.74

0.68

0.80

 unlimiteda

69.7

    

62,1

    

62.9

    

54.9

    

Category of disease

 

0.003

    

< 0.0001

   

< 0.0001

   

< 0.0001

  

 0A02a

41.0

    

34.0

    

38.5

    

36.2

    

 0B02

39.4

0.381

0.89

0.68

1.16

33.4

0.892

0.98

0.77

1.25

32.5

0.164

0.82

0.61

1.09

31.0

0.221

0.84

0,64

1.11

 0C02

31.6

0.007

0.75

0.61

0.92

25.9

0.002

0.75

0.62

0.90

27.3

< 0.0001

0.65

0.54

0.79

26.6

< 0.0001

0.71

0.59

0.86

 Hypertension

56.7

0.114

1.08

0.98

1.20

48.2

0.001

1.16

1.07

1.27

52.2

0.012

1.13

1.03

1.24

48.5

0.006

1.13

1.04

1.24

 Procedures

51.2

0.152

1.14

0.95

1.36

46.0

< 0.0001

1.33

1.14

1.56

49.7

0.008

1.26

1.06

1.50

48.0

0.001

1.31

1.11

1.54

 0A02 and 0B02

32.3

0.225

0.60

0.26

1.37

27.7

0.203

0.64

0.32

1.27

35.7

0.589

0.83

0.42

1.65

29.5

0.405

0.75

0.37

1.49

 0A02 and 0B02 and 0C02

30.0

0.874

0.89

0.22

3.61

38.9

0.586

1.33

0.48

3.65

37.5

0.863

0.91

0.31

2.67

61.1

0.026

3.12

1.15

8.50

 0A02 and 0C02

59.0

0.034

1.84

1.05

3.23

51.3

0.014

1.85

1.13

3.02

52.0

0.190

1.40

0.85

2.30

50.0

0.115

1.47

0.91

2.38

 0B02 and 0C02

35.9

0.397

0.80

0.48

1.33

26.3

0.037

0.60

0.37

0.97

29.5

0.045

0.60

0.37

0.99

30.1

0.159

0.71

0.44

1.14

  1. OR Odds Ratio, 95% CI 95% Confidence interval; Hypertension: Arterial hypertension with organ damage; 0A02: Diseases of the circulatory system – Heart diseases and diseases of pulmonary circulation; 0B02: Diseases of the circulatory system – Cerebrovascular diseases; 0C02: Diseases of the circulatory system – Diseases of veins and lymphatics and other diseases of circulatory system; Procedures: heart valve transplant/replacement, cardiac device in situ, blood vessels replacement. a reference category