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Table 4 Multivariate analysis of the clinical characteristics in COPD patients with frequent exacerbation versus those with infrequent exacerbation

From: Clinical features of Japanese patients with exacerbations of chronic obstructive pulmonary disease

 

Multivariate analysis

 

Adjusted OR or β

95% CI

p value

Critical exacerbation

6.07

1.06–34.67

0.04

Blood eosinophil (%)

1.45

1.12–1.88

< 0.01

%FEV1.0 (%)

0.3

0.01–7.01

0.46

Mechanical ventilation use

5.49

1.19–25.19

0.03

Long-term oxygen therapy

1.69

0.41–6.96

0.47

Macrolide

2.28

0.59–8.82

0.23

BMI

0.91

0.75–1.12

0.38

CO2 retention

1.16

0.23–5.83

0.85

  1. OR odds ratio, β standardized β value, CI confidence interval, BMI body mass index
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BMC Pulmonary Medicine

ISSN: 1471-2466

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