Correlation between serum IL-32 concentration and clinical parameters of stable COPD: a retrospective clinical analysis

Author:

Rong Biaoxue,Fu Tian,Rong Congxue,Liu Wen,Li Kai,Liu Hua

Abstract

AbstractThis study was to investigate the association between serum interleukin 32 (IL-32) concentration and clinical parameters in patients with stable chronic obstructive pulmonary disease (COPD). One hundred and sixteen patients with stable COPD and 70 healthy subjects were included in the study. The serum concentration of IL-32 was detected by enzyme-linked immunosorbent assay. The correlation between serum IL-32 and clinical parameters of patients with COPD was analyzed by T-test, one-way analysis of variance, multiple linear regression and receiver operating characteristic curve. The serum concentration of IL-32 in patients with stable COPD was higher than that in healthy control group (p < 0.001) and increased serum IL-32 was positively correlated with GOLD grading (p = 0.026), mMRC score (p = 0.004) and clinical medical history (p = 0.005), but negatively related to FEV1/FVC (p = 0.001) and FEV1% predicted (p = 0.001). Patient's COPD grading (p = 0.001), clinical medical history (p < 0.001) and FEV1/FVC (p = 0.001) exerted a significant impact on serum IL-32. The sensitivity and specificity of serum IL-32 for discerning COPD patients from healthy individuals were 85.34% and 64.29%, and the area under the curve was 0.808 (p < 0.001). Increased IL-32 is involved in the chronic disease progression of COPD, suggesting that IL-32 may be a molecular biomarker that reflects the severity of COPD and contributes to the disease diagnosis.

Funder

Scientific Research Plan projects of Shaanxi Province Education Department

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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