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Table 3 Correlations of All COPD Subject (n = 98) Sputum Metrics vs. Salivary Biomarker Levels

From: Measurement of C-reactive protein, procalcitonin and neutrophil elastase in saliva of COPD patients and healthy controls: correlation to self-reported wellbeing parameters

 

Sputum Metrics

Salivary Biomarkers

Sputum Amount

Sputum Texture

Sputum Colour

CRP

r = 0.148, p <0.013

r = 0.130, p <0.032

r = 0.324, p <0.001

PCT

r = 0.130, p < 0.033

r = 0.107, p < 0.078

r = 0.229, p < 0.001

NE

r = 0.075, p < 0.219

r = -0.118, p < 0.051

r = 0.068, p < 0.266

  1. COPD = Chronic Obstructive Pulmonary Disease; FEV1 = Forced Expiratory Volume in 1 s; MRC = Medical Research Council; ADL = Activity of Daily Living; CRP = C-Reactive Protein; PCT = Procalcitonin; NE = Neutrophil Elastase. Data are presented as the Spearman’s correlation coefficient: r value
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Respiratory Research

ISSN: 1465-993X

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