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Table 3 Predictors of Influenza Complications and Hospitalziations

From: Impact of patient characteristics on the risk of influenza/ILI-related complications

 

Presence During Interval of Care

 

Hospitalization (N = 103)

Any Complication (N = 1,545)

 

OR*

95% Cl

OR*

95% Cl

Sex (Female vs. Male)

1.02

0.67–1.56

1.00

0.89–1.12

Age

<5

0.75

0.33–1.70

1.55

1.26–1.91

5–14

0.45

0.19–1.10

1.08

0.89–1.32

15–24

0.28

0.06–1.26

1.02

0.79–1.31

25–34

0.83

0.33–2.07

0.99

0.78–1.26

35–44

1.00

n/a

1.00

 

45–54

1.22

0.59–2.52

0.85

0.67–1.08

55–64

1.75

0.87–3.52

1.04

0.80–1.35

65+

1.93

0.82–4.56

1.54

1.06–2.24

Prior/Concurrent

   Prior Immunization

2.17

1.06–4.43

1.01

0.70–1.45

   Recent Comp/Comorbidity

3.17

1.96–5.13

1.47

1.27–1.70

   Concurrent Amant/ Rimant

0.60

0.18–2.00

1.22

0.91–1.63

   Prior Influenza Episode

0.32

0.09–1.07

0.85

0.66–1.09

Quintile of 3-Month Preceding Health Care Cost

   1:$0

1.00

 

1.00

 

   2: >$0–$86

0.38

0.22–1.22

0.92

0.75–1.12

   3:$87–$199

0.44

0.15–1.24

0.86

0.70–1.04

   4: $200–452

0.84

0.36–1.97

1.21

1.00–1.47

   5:$453+

1.71

0.77–3.84

1.56

1.28–1.91

Medication Use and Prevalent Comorbid Conditions

   Chronic Corticosteroid Use

2.00

0.66–6.02

1.84

0.83–4.07

   Malignancy

3.67

1.82–7.44

2.38

1.44–3.93

   Chronic Heart Disease

3.16

1.66–6.00

1.76

1.19–2.61

   Chronic Lung Disease

1.29

0.81–2.05

1.15

1.00–1.34

   Diabetes

2.19

1.08–4.47

1.74

1.16–2.61

  1. * Adjusted using logistic regression.