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Table 2 Poisson regression analysis for the risk of exacerbation

From: Association between plasma interleukin-33 level and acute exacerbation of chronic obstructive pulmonary disease

Variables

IRR

95% CI

P value

Age

0.984

0.941–1.030

0.500

Female

5.956

0.623–56.914

0.121

Post BD FEV1 (%)

0.979

0.961–0.998

0.032

High IL-33

2.166

1.023–4.584

0.043

  1. IRR, incidence rate ratio; CI, confidence interval; BD, bronchodilator; FEV1, forced expiratory volume in 1 s; IL, interleukin
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BMC Pulmonary Medicine

ISSN: 1471-2466

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