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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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